This packet includes 30 one-step word problems! 10 - Start Unknown 10 - Change Unknown 10 - Result Unknown Answer keys are included, as well as a brief page on suggested ways to have students tackle word problems.

A math-joining visual aid poster that defines & gives examples of start unknown number sentences.

Start Unknown subtraction word problems pack - TEN different subtraction word problems activity sheets for start unknown problems. 7 are for subtraction within 10 and 3 are for subtraction within 20. Great missing minuend worksheets! On each word problem sheet, students represent the problem by drawing a picture, solving it on a number line, making a ten (or twenty) frame, writing a number sentence for the problem, and writing the answer. These activities allow students to see the problem in more than one way to make more sense of it and understand their problem solving better. I also have these: Start Unknown Addition Word Problems Pack Change Unknown Addition Word Problems Change Unknown Subtraction Word Problems If you like this pack, I also have these varieties: Addition to 10 Word Problems Pack Addition to 20 Word Problems Pack Subtraction Within 10 Word Problems Pack Subtraction within 20 Word Problems Pack Adding 3 Numbers Word Problems Pack Save over 30% by buying all 5 of these packs in the bundle! Word Problem Packs Bundle For more Missing Subtrahends practice, check out my HUGE math unit addressing it: First Grade Math Unit 8

***ALIGNED TO TEKS and CCSS*** TEKS: 2.4B 2.4C 2.7C CCSS: 2.OA.A.1 This resource can be used as an assessment or practice to see if your students can match start unknown, change unknown, and result unknown problems to part-part-whole models (strip diagrams) and equations. Then, the students will have to solve the problems. These cards really help students work together or independently to dissect word problems and figure out what the problem is asking. Great for a review and for test taking skills! ------------------------------------------------------------------------------------------------------------------------------- Check out my other 2nd grade model and equation match cards: Addition and Subtraction (no regrouping) Word Problem, Number Sentence and Diagram Match Cards

There are 3 story problems. Each story problem is an example of one of the problem types. ( Start Unknown, Change Unknown, Result Unknown) The problems ask the students to identify the problem type, write an equation showing the unknown, and then solve the problem using the Part-Part Whole strategy.

The word problems in this resource deal with subtraction sums up to twenty. They are all “Start Unknown” problems. They are presented on Think Boards, a device that suggests different strategies to use to solve the problem. Armed with the knowledge and experience of using a variety of strategies, the children will start to make their own decisions as to the most appropriate strategy for them to use at any one time. Click HERE to save 20% by purchasing this resource in the Subtraction Word Problems Think Boards Bundle Click HERE to save 30% by purchasing this resource in the Addition and Subtraction Word Problems Sums within 20 Bundle You will find: 5 posters showing the strategies used on the Think Boards for you to print and display in the classroom 10 Think Boards – (2 per page) “Start Unknown” subtraction word problems – numbers to 20 4 Think Boards - the number sentence (equation) is provided and students must create the number story 2 Assessment Worksheets – each with 5 word problems. You may also like: ⭐ Subtraction Word Problems within 20 Result Unknown Think Boards ⭐ Subtraction Word Problems within 20 Change Unknown Think Boards ⭐ Subtraction Word Problems within 20 Compare Think Boards ⭐ Subtraction Word Problems Think Boards Bundle Get TPT credit to use on future purchases: Please go to your My Purchases page (you may need to login). Beside each purchase you'll see a Provide Feedback button. Simply click it and you will be taken to a page where you can give a quick rating and leave a short comment for the product. Each time you give feedback, TPT gives you feedback credits that you use to lower the cost of your future purchases. I value your feedback greatly as it helps me determine which products are most valuable for your classroom so I can create more for you. ☺ Be the first to know about my new discounts, freebies and product launches: Click HERE to follow my store. You will now receive email updates when there are new products available. Have fun and BEE HAPPY! ☺ Find me: Facebook Instagram Pinterest Terms of Use: This resource is for one classroom use only. It is bound by copyright laws and redistributing, editing, selling or posting this item (or any part thereof) on the internet are all strictly prohibited without first gaining permission from the author. Violations are subject to the penalties of the digital Millennium Copyright Act.

This product was created to help you tackle online learning through Google Classroom! Not sure how to use Google Classroom? Not sure how to post an assignment? No worries! This document not only contains a 15 slide assignment helping students practice and review of 1 step word problems BUT it also teaches you how to: -upload the assignment through Google Classroom -make a copy for all of your students in your Google Classroom -how to go through and give points from the problems answered This can either be used as an assessment OR as a fun practice. I told my kids that this was like a ¨Write the Room¨ online style! If you need help getting this set up and my instructions are not enough, please feel free to contact me through the questions area on this page.

This bundle includes 3 sets of 20 task cards each with number sentences your students will use to write and solve their own 1st grade Spanish word problems (addition and subtraction). The objective is 1.3F Generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20. Watch the video preview for a detailed look. The 3 sets included are: ★ Number sentences with start unknown ★ Number sentences with change unknown ★ Number sentences with result unknown Each set includes: ► 20 addition and subtraction task cards with a number sentence (start unknown, change unknown and result unknown) ► 4 different answer sheets with a guide (explaining the steps to follow in order to write the problem) ► A blank answer sheet for your advanced students, so that you can differentiate your students' learning ► An answer key to check students' answers easily ► Teacher instructions ♦♦ This bundle is in SPANISH - an English version is also available here Math TEKS 1.3F Write & solve problem situations (bundle) These task cards can be used for Math stations, Scoot, teaching, reinforcement, or additional practice on the standard. ☛ Have a look at my other related resources Problemas parte-parte-todo Problemas de parte-parte-todo bilingüe *********************************************************************************** ❤️ Follow me by just clicking on this link so that you are up to date when I post new products and freebies. All new products (except bundles) are 50% off the first 24 hrs. ⭐ For questions or concerns contact me at [email protected]. Please allow 24 to 48 hrs. for your reply.

Do you struggle with teaching word problems to you students? Research says that there are 12 word problem types and by the end of 2nd grade, students are exposed to each of those problem types. The four main problem types include join, separate, part-part-whole, and compare. Here they are broken down by category. -Join: Result Unknown, Start Unknown, Change Unknown -Separate: Result Unknown, Start Unknown, Change Unknown -Part-Part Whole: Whole Unknown, Park Unknown -Compare: Difference Unknown, Bigger Unknown, Smaller Unknown This file has everything you need to teach subtraction/separate from start and change unknown problems. These are the hardest type of subtraction problems learned in primary grades. This file includes the following: 1. Cubes Strategy Poster and Response Sheets 2. 3 Reads Strategy Anchor Chart Problems (5 anchor chart and matching journal problems) 3. Problem Solving Mat 4. Interactive Journal Flip Flaps (2 different ones) 5. Problem Solving Anchor Chart 6. 10 Anchor Chart Problems w/ matching Student Journals Prompts 7. 10 Anchor Chart Problems w/ matching Student Journals Prompts with Blank Numbers 8. Problem Solving Booklet 9. Task Cards- 12 problems in color and black & white 10. Mystery Word Problems 11. Pencil Balloon Craft 12. Assessment/Quick Check For a more detailed look at the unit, please see the preview. If you have any questions, just let me know and I'll be happy to help. I will be adding matching resources for the other types of problems listen above to my store very soon. Make sure you are following to know when they are posted. Related Resources: Word Problems: Add to Result Unknown Word Problems: Add to Start/Change Unknown Word Problems: Separate from Result Unknown Word Problems for the Whole Year Bundle SAVE!!!

Do your students struggle to comprehend and solve start unknown separating word problems? If so, this set of 24 start unknown subtraction word problems with graphic organizers and pictorial representations is perfect for you! Using objects, pictorial representations and their own drawings will actua...

Interactive Word Problems Addition & Subtraction within 20 Summer Edition (1.OA.1) Google Slides Perfect for distance learning or an interactive center in your classroom! Students manipulate the digital pieces on the side as math tools. This set contains 24 slides. The word problem types are add to result unknown, add to change unknown, add to start unknown, take away result unknown, take away change unknown, take away start unknown, part-part-whole unknown, both parts unknown, part unknown, compare difference unknown, compare bigger unknown, compare smaller unknown. Has your administration been on you to UP your integrated technology? Maybe you have struggled with how to infuse technology in your primary classroom. This is the perfect way to get your students engaged and interactive with their editing skills! Why should you use a Google Interactive Product? ♦Cost-saving!! No PAPER!! ♦Students work directly their own copy of the file ♦Ideas and work automatically saved ♦Utilization of up-to-date technology ♦1:1 - Perfect! ♦Students highly engaged and actively working ♦College readiness ♦Access anywhere; no excuses for forgotten notes or books ♦For use on Chromebooks, Android Tablets, and other devices ♦Students are excited and happy about learning ♦Your administration is happy about the infused technology! ♦Web-based file sharing operates in the online 'cloud' and allows you and your students to work on and print files from any computer or device. This is compatible with Google Drive, and also works on Microsoft OneDrive. Looking for other interactive paperless activities?!? Interactive First Grade Reading Passages No Prep Printables Interactive Sequencing Interactive Reading Passages Character, Setting, Major Events Interactive Counting up to 10 K.CC.4 Interactive Opinion Writing Sequencing

Ever wish your students would read word problems multiple times to understand and solve the problem? This collection of 10 start unknown common core story structure addition and subtraction word problems are on a graphic organizer that uses close reading strategies. Students read the word problem four different times with a different purpose each time to help understand the problem: Read #1: Identify what the problem is about Read #2: Identify the numbers in the problem and what they describe Read #3: Create a model or drawing to represent the problem Read #4: Write the equation that represents the problem. After four reads, students have said to me that this is the FIRST TIME they ever actually understood word problems and knew how to solve them! To save money, you may want the BUNDLE instead: • 2nd Grade Close Reading in Math BUNDLE!

Word Problem Types Visual Posters: 14 colored and 14 black line This product is part of a bundle: Check it out! Word Problem Bundle- growing product What's posters are Included? *Joining start unknown *Joining change unknown *joining result unknown *Separating start unknown *Separating change unknown *Separating result unknown *Whole/Whole/Part *Comparing difference unknown *Comparing referent unknown *Multiplication *Division measurement *Division partitive Why do I need Posters? If you have visual learners, or students who have the accommodation in their IEP that states 'visuals/models' then you need this product. Ideas for use **Hang up the colored posters for a colorful classroom visual bulletin board **Have students color the black line posters and keep them in their math binders/journals for reference. **print and have students make their own reference book by stapling down the side. When they master a type of problem, they can color the picture. Check out my personal best seller Special Education startup kit Or you might be interested in: Special Education basic math assessments math assessments and activities bundle

A 2nd Grade Common Core Cumulative Assessment that covers all Word Problems that are conveniently labeled by "CGI Type." Included for each problem is a work space that uses a part-part-whole or a comparison diagram for student work. 1- Add-To Result Unknown 2- Add-To Change Unknown 3- Add-To...

After teaching word problems for a couple of years, I noticed that students see word problems as a very abstract process. When given a word problem, students often choose an operation and solve. It seems like they have little understanding/reasoning on how and why they chose that specific way to sol...

Addition Word Problems - Grade 2 (Start Unknown) 2.OA.1 This product includes 8 addition word problems (start unknown). These are great for the beginning of 2nd grade when students are learning how to solve different types of word problems. You can use these for guided practice, collaborative work...

No prep worksheets to enhance your student's problem solving skills. Centered around adding and subtracting within $1.00. Perfect for independent practice, partner work, homework, assessments, or however you see fit in your classroom. Each worksheet focuses on a different variation of word problems:...

Word Problems - Unknown Result ***PLEASE NOTE*** This packet focuses on the following type of problem: -the result is unknown (i.e. 18 + 23 = ?) If you are looking for the entire bundle that includes all of the problem types listed below, then please use the link below: -the result is unknown (i.e. 18 + 23 = ?) -the change is unknown (i.e. 15 + ? = 32) -the start is unknown (i.e. ? + 12 = 27) Common Core Math Story Problems Bundle The 8 math story problems included in this packet focus on the Common Core Standard 2.OA.1 where students have to add and subtract numbers within 100 in the context of word problems. The steps in these math story problems were created for the purpose of making sense of a problem, instead of using tricks and key words to solve a problem. Students must understand what the problem is asking them to do before solving it. To check out other items at my store, use the following link: Common Core Galore and More's Store! I would appreciate ratings and feedback if you purchase this product. Thank you for stopping by my store! :) Facebook Pinterest Common Core Galore and More's Blog

Make solving one-step story problems fun with these Building Thinking Classrooms style addition within 100 tasks! Each problem will take your students on a new math journey to the carnival, movie theater, or playground and solve addition within 100 word problems like pros! Even though these story problems are “add to” situations, they encourage students to flexibly solve and understand the relationship between addition and subtraction since the unknown is in all positions! It's never been easier to get your students excited to solve word problems with this collection of three addition within 100 word problems! These tasks will give your students the opportunity to solve add to: result unknown, change unknown, and start unknown story problems.  In this resource, you will get the original problem and two thin slicing options as they finish, along with 3 different levels of check-your-understanding questions to solidify their learning and addition strategies! Here’s what you’ll get: 3 No Prep Google Slides and Powerpoint Task Launch, Partner Expectations, Thin Slicing and Check Your Understanding slides  3 PDFs with Step-by-step Task Directions Print-and-go recording sheets 2 Thin Slicing questions for groups who are ready  Mild, Medium, and Spicy Check Your Understanding recording sheets Answer Keys  Table of Contents Building Thinking Classrooms Terms Cheat Sheet and additional resources These tasks are perfect if you are just beginning to implement the Building Thinking Classrooms Framework. Even if you are unfamiliar with the Building Thinking Classrooms Framework, these tasks are a fantastic way to engage your students in math tasks they will love with detailed task directions, PowerPoint and Google slides visual supports, and recording sheets! What will these Building Thinking Classrooms style tasks help my students learn? ✅ All “add to” problem types ✅ Addition and Subtraction Within 100 ✅ One-step story problems ✅ Word problems with the unknown in all positions  ✅ Critical thinking ✅ Social skills and cooperative learning Teachers like YOU have said this about other BTC tasks! ⭐️⭐️⭐️⭐️⭐️  “This is an excellent resource!  My students were engaged in the tasks.  It was great to see the different strategies students used to solve these tasks.” ⭐️⭐️⭐️⭐️⭐️  “This is great for my students.  We love BTC and they loved these activities.” ⭐️⭐️⭐️⭐️⭐️ “My students loved this activity. I can’t wait to use it with my future students!” ⭐️⭐️⭐️⭐️⭐️ “Building Thinking Classrooms is a great way to make math more interactive and for students to collaborate. These slides are a great launching point for students to begin from.” You may also like… Building Thinking Classrooms Starter Pack Make sure to follow for more math resources for developing numbers sense in young learners and consider leaving a review for TPT credit towards your next purchase!

Interactive Word Problems Addition & Subtraction within 100 Summer Edition (2.OA.1) Google Slides Perfect for distance learning or an interactive center in your classroom! Students manipulate the digital pieces on the side as math tools. This set contains 24 slides. The word problem types are add to result unknown, add to change unknown, add to start unknown, take away result unknown, take away change unknown, take away start unknown, part-part-whole unknown, both parts unknown, part unknown, compare difference unknown, compare bigger unknown, compare smaller unknown. Has your administration been on you to UP your integrated technology? Maybe you have struggled with how to infuse technology in your primary classroom. This is the perfect way to get your students engaged and interactive with their editing skills! Why should you use a Google Interactive Product? ♦Cost-saving!! No PAPER!! ♦Students work directly their own copy of the file ♦Ideas and work automatically saved ♦Utilization of up-to-date technology ♦1:1 - Perfect! ♦Students highly engaged and actively working ♦College readiness ♦Access anywhere; no excuses for forgotten notes or books ♦For use on Chromebooks, Android Tablets, and other devices ♦Students are excited and happy about learning ♦Your administration is happy about the infused technology! ♦Web-based file sharing operates in the online 'cloud' and allows you and your students to work on and print files from any computer or device. This is compatible with Google Drive, and also works on Microsoft OneDrive. Looking for other interactive paperless activities?!? Interactive First Grade Reading Passages No Prep Printables Interactive Sequencing Interactive Reading Passages Character, Setting, Major Events Interactive Counting up to 10 K.CC.4 Interactive Opinion Writing Sequencing

Students always struggle to solve word problems! If they don’t struggle with figuring out what operation to use, they fumble their way through the computations.

I created these story problems for students to practice word problems with unknown parts. This is a difficult skill for students so I have included 3 sets of word problems. I have also included a how to teach this skill page. Ways to use these word problems: • In a Math Center – Enough for three weeks • Whole Group doing a problem a day- 18 days • In a math notebook - 18 days • One week as a whole group, one week as a center, and one week as an assessment • Two weeks in a math center and one week of assessment. I have included: How to Teach this Skill, counters: black and white and color, recording sheets, one blank recording sheet, one recording sheet with blank parts, and three sets of Word Problem Cards with matching recording sheets so you can practice these problems for several days. I hope you can use these word problems in your classroom. Thank you for checking out this product. Stephanie Kinley First Grade Fabulous Fish

These winter math worksheets for 1st grade feature addition and subtraction word problems with missing addends. Students will become familiar with the different types of missing addend word problems, including join start unknown, join change unknown and join result unknown word problems as well as separate start unknown, separate change unknown and separate result unknown. All problems involve addition and subtraction equations to 20. There are 120 pages with 20 different word problems. Each problem has a different page for each unknown. For example, the problem 3+2=5 would have a page each for ?+2=5, 3+?=5 & 3+2=?. Further, each page comes in 2 types: A page with a large box in the middle for students to draw out the problem to solve AND a page with questions to help students think through each problem to solve. You can use the pages together, separately or to differentiate. There are 6 sample answer pages for the questions worksheet. Responses to each question will vary by student, but these sample pages will give you an idea on how students should answer each question. Your feedback is important! Feedback helps other teachers find great resources for their classroom AND rewards you with credit to use on future TPT purchases! You can leave feedback for purchased and free products from your "My Purchases" page. Follow me to get 50% off new resources! Click the green star under my logo (on the right side of this page) to grab my new resources half off for the first 48 hours! All products (excluding bundles) are discounted.

Why can't I teach students to use keywords for word problems? Find out why this practice doesn't prepare our students for success.

Included are three worksheets. Each worksheet uses number bonds as a graphic organizer to help students identify which operation to use. Unknowns are represented in all positions: Worksheet #1: Word Problems- Result Unknown Worksheet #2: Word Problems- Change Unknown Worksheet #3: Word Problems- Start Unknown

Do you need more word problem practice? This is the set for you! This set includes 4 pages of word problem practice. 3 pages set and designed for specific problem types to help your children to understand what these problems look like. Pages included: Start unknown change unknown end result unknown mixed review practice After downloading, please give me a fair review. Thank you! :) This is great practice for a quick assessment, or an easy homework!

You will love using these Start Unknown Addition Word Problem worksheets with TWENTY different addition word problems for addition to 20. Students can show the problem by drawing a picture, showing their thinking on a ten frame, writing an equation for the problem, and showing their solution to the problem. This organizer encourages student understanding by helping them look at the problem from multiple perspectives. I've given you 20 word problems in four different formats: A full page work sheet with a word problem on each page, A half page work sheet of the same word problems, a full size work sheet of the same 20 word problems with blank spaces that allow you to differentiate by changing the numbers in the problem to make them more or less challenging, and a half sheet of the word problems with fill in the blank numbers. I have also included a BLANK full and half page for you to add your own word problems. You will enjoy the way your students will explain and organize their thinking! Pin My Page! Pay it forward and help promote this product by clicking the "Pin It" button on the top left of your screen. Earn TpT credits by leaving your comments. Your honest feedback is appreciated! Become a Follower and receive updates on new products and additions to existing products by Clicking the Green Star on the Upper Right Side of this Page! This set contains: 20 - Word Problems in: 20 Full Page Student Worksheets 20 Half Page Journal Size Worksheets 20 Full Page Student Worksheets - Teacher fill-in the Numbers 20 Half Page Journal Size Worksheets - Teacher fill-in the Numbers 1 Blank Full Page Word Problem Template 1 Blank Half Page Journal Size Word Problem Template

Included in this product are 50 word problems. They are addition and subtraction problems, without regrouping, where the unknown number can either be at the start (start unknown), the middle (change or add unknown), or at the end (end unknown) of the number sentence. These story problems are perfect for you to add to your Missing Addend Unit, for small group or individual practice, for homework, interventions, enrichment, and more! You can put them in sheet protectors and place them in your math centers. You can also download these and use a handful each time you have a substitute teacher. The choices are virtually endless! Included in this Product: ♦ 50 Story/Word Problems ♦ Mixed addition and subtraction word problems without regrouping. The missing number can be at the beginning, middle, or end of the number sentence. So the number sentences will be start unknown, add or change unknown, or end unknown. ♦ Answer Key ♦ The answer key includes the recommended number sentence where the missing number follows the sequence of the story. It also includes the answer of the missing number. Preparing this product is easy. All you have to do is print off the page(s) you want to use. They can be printed single-sided or back-to-front in order to save paper. An answer key is included to make grading easier. Preview the Product Please take the time to preview this product so you know exactly what you are purchasing. I made sure there was a preview of every activity included in this product. If you have any questions or concerns about this project, please leave me a note in the questions/comments tab and I will get back to you as soon as possible! ♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦ Teachers Pay Teachers Shopping Tips: How to get credit from TPT to use on future purchases: After making sure you are logged in, go to your My Purchases page. Under each purchase you' will see a Provide Feedback button. Click that button. You will be taken to a page where you can rate and leave a quick review about the products you have purchased. I value your feedback! Want to know more about my new discounts, freebies, and product launches? Look for the green star near the top of any page within my store and click on "Follow Me." After clicking on it, you will receive customized email updates about this store, when I launch new products, and when I put my items on sale.

Common Core Aligned Worksheets! Standard: 1.OA.1 / 1.OA.A.1 (Word Problems) Use addition and subtraction within 20 to solve word problems These word problems include start unknown, change unknown, result unknown, and comparing. Great for homework worksheets, independent practice, or as an assessment. FOUR worksheets included! Thank you for your download! Please leave me your feedback! It is very much appreciated :) For more Common Core Word Problems check out my bundle pack: 64 First Grade Common Core Word Problems! 1.OA.1 / 1.OA.A.1

If you are a first grade teacher, you know that word problems can be the trickiest part of teaching math!This word problem math booklet gives students the opportunity to strengthen their problem solving skills!The book contains 12 different word problems with the start unknown - within 106 Addition6...

This product includes 20 differentiated "add to (change unknown)" word problems. Additionally, there are 5 "part, part, whole" mats to use with these word problems.WHAT'S INCLUDED?10 "Add To (Change Unknown)" Word Problems (within 10)10 "Add To (Change Unknown)" Word Problems (within 20)5 Part, Part...

Are your kiddos needing some extra practice with standards? These digital task cards/printable are a great way for students to practice individual standards to master skills. Students will read the word problem, and then complete the math sentence to find the answer. This covers CCSS 1.OA.A.1 usi...

This set of printables includes 10 addition and 10 subtraction word problems. Result unknown, change unknown, and start unknown word problems are included. These pet shop printables can be used as an assessment or as problem solving review each day during math workshop. These printables can als...