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First graders will practice finding missing addends and unknown numbers in subtraction equations using this Common Core aligned bundle of task cards. There are three sets of task cards included, featuring fun colorful designs. Set 1 practices finding unknown numbers in addition equations, Set 2 p
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Help students understand basic algebra with addition and subtraction with the scaffolded packet. Students start by figuring out what number an alligator clip art is covering. They can also create their own problems by cutting out and placing their own alligators. These add your own alligator pages a
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\$3.25
11 Ratings
3.9

PDF (12.63 MB)

Understanding how the equal sign works is critical to finding the missing number in an addition or subtraction equation. Students will model the problems using manipulatives by placing the correct number of objects on the correct side of the scale then determine the missing value that will make the
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This document consists of 6 pages (intended to be 3 two-sided tasks) aligned to the 1st Grade Common Core Math standard 1.OA.8 "Determine the unknown whole number in an addition or subtraction equation relating three whole numbers."
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Printable worksheets in which students determine the unknown whole number in equations. All problems deal with whole numbers between 1 and 20.
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\$1.50
2 Ratings
4.0

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If your students are like mine, they need extra practice finding missing numbers in addition and subtraction equations. This deck provides students with the practice they need to develop algebraic reasoning skills. Preview Click here to try the first four cards in the deck. Set includes: 40 self
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\$2.50
3 Ratings
3.8

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The Magic Of Math Unit 10 (a 2-Week Unit) for SECOND GRADE focuses on: Week 1: Unknown Numbers in Addition and Subtraction Equations and Word Problems Week 2: Adding and Subtracting 10 and 100 (10 More, Less/ 100 More, Less) Here is what is included in this two week long unit for 2nd grade:
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\$8.50
392 Ratings
4.0

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These fun and challenging puzzles make solving for the unknown fun! Four different levels make differentiation super simple. These problems encourage problem solving and critical thinking, skills that are essential for all young mathematicians. Each level includes the same graphics and the same an
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\$4.50
58 Ratings
4.0

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#### Videos matching "unknown numbers in addition and subtraction equations" (BETA)

IMPORTANT … PLEASE READ – If you have purchased Come Explore Common Core Volume 1 Operations and Algebraic Thinking (145 pages, \$11.95) from my store, then you already own this resource. For those who don’t want the entire volume, I have separated the larger resource into smaller units to allow for
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57 Ratings
4.0

PDF (3.04 MB)

Addition and Subtraction Equations Task Cards (CCSS 1.OA.D.7 and 1.OA.D.8)-determine if addition and subtraction equations are true or false; finding the missing value in addition and subtraction equations These Addition and Subtraction Equations Task cards contain 24 different cards for Grade 1 ba
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29 Ratings
3.9

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7 Stations with recording sheet. Students have a choice of four stations from station activities 1-5. Stations 6 and 7 are required. The recording sheet has prompts provided. Ideal for an observation, can use various approaches. I used bar modeling represent these situations, but depending on wher
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\$3.00
21 Ratings
4.0

PDF (1.8 MB)

Use these worksheets and games to introduce and practice addition equations with an unknown number. It is all aligned with CCSS Math.Content.1.OA.D.8: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. Contents: 4 different worksheet designs with
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18 Ratings
4.0

PDF (4.28 MB)

Winter No Prep Math - 1st Grade FREEBIE This is a FREE 5 PAGE SAMPLE of the following product: Winter MEGA Math Pack for 1st Grade This SAMPLE PACK includes: ♦ Place Value Mittens (1 page) - Write the number that is shown by the place value blocks in each mitten. (1.NBT.1) ♦ Snowy Tens (1 page) -
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FREE
137 Ratings
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This great pack is full of 30 challenging addition and subtraction word problems to help your students practice solving multi-step problems with unknowns and using estimation to assess the reasonableness of the answer. The pack includes 5 each of: -addition, sum unknown (1-step) -subtraction, dif
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\$4.00
14 Ratings
4.0

PDF (434.38 KB)

his great pack is full of 30 challenging addition and subtraction word problems to help your students practice solving multi-step problems with unknowns and using estimation to assess the reasonableness of the answer. The pack includes 5 each of: -addition, sum unknown (1-step) -subtraction, diffe
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\$4.00
5 Ratings
4.0

PDF (438.72 KB)

Student will solve for the unknown whole number in these 10 addition equations. Addition equations have sums within 20. CCSS.MATH.CONTENT.1.OA.D.8 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that
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\$1.50
3 Ratings
4.0

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Students are always more engaged, and therefore more successful, when they can play a game. To play this game, each student selects a card and solves a one-step addition or subtraction equation containing only whole numbers and one variable. Students then roll a dice or use a spinner to move their
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\$4.00
3 Ratings
4.0

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This packet includes presentation PowerPoints, game boards, student workmats, and game play record sheets to use when exploring the missing or unknown whole number in addition and subtraction equations. The game boards are designed to enable exploration within vertical and horizontal number sentence
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2 Ratings
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This product is designed to help first grade students gain mastery with determining the unknown whole number in addition and subtraction equations. There are 20 Addition Equation Task Cards There are 20 Subtraction Equation Task Cards There are 20 Mixed Practice Task Cards A student recording shee
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\$4.50
1 Rating
4.0

PDF (2.18 MB)

Winter No Prep Math for 1st Grade: This 60 page Winter Math Pack requires NO PREP. All you need to do is hit print and go! Every page is aligned to the Common Core Math Standards for Grade 1. (**PLEASE NOTE: This product is included in 2 larger bundles. To view these discounted bundles, click on t
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\$9.50
90 Ratings
4.0

PDF (30.36 MB)

The "Halloween Math Mega Pack" includes 10 Halloween themed math centers designed for use in a first grade classroom and aligned to the First Grade Common Core Standards. Activities Include: 1. Skeleton Subtraction (Subtraction as an Unknown-Addend Problem - 1.OA.4) 2. Spider Sums (Adding 3 One-Di
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\$5.50
53 Ratings
4.0

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These no-prep Emoji - Fact Fluency activities are the perfect way to increase your students’ fact fluency. The mystery pictures included cover multiple first and second grade Operations and Algebraic Thinking standards which provide practice working with addition and subtraction equations within 20
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\$4.00
16 Ratings
3.9

PDF (4.82 MB)

This packet includes 24 pages of differentiated Math Crossword Puzzles. The puzzles are a fun way for students to practice finding the unknown number in addition and subtraction equations. The first 12 printables include numbers from 1-10. The second 12 printables include numbers from 1-20. Want
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\$1.00
5 Ratings
4.0

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These are great resources for practicing addition and subtraction strategies. You can use this resource in a variety of ways. Cut each set into cards and play it as a matching game. Or, give students the whole sheet and have them color the matching cards (ex. Commutative Property Worksheet: 4+3 a
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\$6.99
\$4.99
1 Rating
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This freebie is a sample of my Math Crossword Puzzles. This puzzle is a fun way for your students to practice solving for the unknown number in addition and subtraction equations. If you like this product, please check out the full version at my TPT store: Teach Sparkle. Have a wonderful day! Cl
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FREE
4 Ratings
4.0

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First Grade Math Units These First Grade Math units are research-based and designed specifically for first grade teachers and students. This is all you need to teach math for the whole year! Download the Preview for the Curriculum Map and a sample from First Grade Math Unit 2. This Bundle inclu
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\$120.00
\$90.00
1,553 Ratings
4.0

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An internet connection is required to play this game. This fun and engaging addition and subtraction within 20 math game works will all interactive whiteboards (SMARTBoard, Promethean, Mimio), tablets and computer stations. A perfect game to use as a math center or for a whole class collaboration ac
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\$4.99
1,158 Ratings
4.0

PDF (1.67 MB)

This pack includes 31 addition and subtraction word problems designed for students to “Read-Along, Sketch and Solve.” The format is ideal for special education, intervention groups or guided math groups. Each problem is presented in a full-page format to give students enough space to investigate
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Get this as part of a bundle: Addition and Subtraction Worksheets, Word Problems & True/False Equations Bundle

\$4.00
793 Ratings
4.0

PDF (1.16 MB)

This pack includes 35 addition and subtraction word problems within twenty. They are designed to be used during group instruction, as journal pages and/or as homework. Once students are familiar with the format, these are also handy for morning work. (If you are looking for similar Addition and S
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Get this as part of a bundle: Addition and Subtraction Worksheets, Word Problems & True/False Equations Bundle

\$4.50
669 Ratings
4.0

PDF (1.65 MB)

First Grade Math supplemental materials for FIRST grade This is a GROWING BUNDLE When it is finished it will include 10 units. ***************************************************************************** These are supplemental materials to accompany our First Grade Math Units but they will also wor
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\$80.00
\$60.00
378 Ratings
4.0

ZIP (143.67 MB)

Use these 32 task cards to help your students gain fluency in solving two-digit addition and subtraction word problems. Almost all of these problems require regrouping to solve. There is a mix one and two step problems. A few of the addition cards include up to four addends. Addition and subtraction
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\$3.29
710 Ratings
4.0

PDF (1.06 MB)

Provide students with opportunities to practice addition and subtraction with stations by standard! These workstations allow students to explore the standards using 15 different hands-on activities. Workstations Included Fishy Friends- Number bonds to 24 + - 100 Cover Up- adding and subtraction
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Get this as part of a bundle: Stations by Standard Bundle Second Grade

\$10.00
126 Ratings
4.0

PDF (7.76 MB)

This Interactive Math Notebook is designed just for FIRST GRADE! Each entry is designed to be a quick review or teaching point, and should take 5-7 minutes to complete from start to finish. Each entry contains an "I can" statement related to the skill that students glue at the top of their page. All
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Get this as part of a bundle: Interactive Math Notebook for 1st grade {BUNDLE: Daily entries for a YEAR}

\$3.50
456 Ratings
4.0

PDF (4.66 MB)

This set of addition and subtraction games includes 12 self-checking, partner spin and write and wipe games for independent or guided practice! Use them for early finishers, math tubs, or math centers. Perfect for developing fact fluency in grade 1 and grade 2! --- The following games are includ
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\$6.00
296 Ratings
4.0

PDF (7.26 MB)

Here is a challenging and fun way to practice several math facts skills. Each of these 32 balance the equation task cards features two equal equations with one missing number. The equations are a mix of addition and subtraction within 20. The missing number appears equally in each of the four positi
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\$3.19
375 Ratings
4.0

PDF (4.95 MB)

It's no secret that students have a hard time with word problems. They can know how to add and subtract fluently, but if they can't choose the correct operation in a word problem, then they're sunk. The problem is that we typically only teach the most basic addition and subtraction structures: j
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\$3.75
536 Ratings
4.0

PDF (1.27 MB)

Are you looking to hit those Common Core Standards or TEKS during your math block? We have 20 days worth of addition and subtraction activities that will have your students thinking critically while having tons of fun! These activities are hands-on AND engaging for your little learners! Here's wh
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\$15.00
60 Ratings
4.0

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An internet connection is required to play this game. Have a blast practicing addition and subtraction within 20 with this fast paced engaging team game for interactive whiteboards (SMARTBoard, Promethean, Mimio), tablets and computers. Students face off to see who can answer the question first. The
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\$4.99
220 Ratings
4.0

PDF (964.81 KB)

Addition and Subtraction Story Problem BUNDLE! Understanding word problems can be tricky! I've found the most successful way to teach my students how to solve words problems is through visualizing. I have discovered my students are much more successful when they create a picture of each word proble
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\$14.50
\$7.25
270 Ratings
4.0

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An internet connection is required to play this game. This fun and engaging addition and subtraction within 20 math game works will all interactive whiteboards (SMARTBoard, Promethean, Mimio), tablets and computer stations. With nearly 300 questions and many animals to build, your students will neve
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\$4.99
332 Ratings
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PDF (1.4 MB)

Give your students practice with solving addition and subtraction word problems within 20 using this set of 15 practice sheets! The practice sheets give you a quick and easy framework for teaching and reinforcing this Common Core concept (1.OA.1 and 1.OA.2). The pack starts with 5 pages of addi
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\$3.25
179 Ratings
4.0

PDF (2.12 MB)

Introduce equations with unknown numbers using these hands-on flip cards. Print, cut and laminate cards. Fold each tab over and secure with a paper clip. Use the flip cards during a hands-on lesson, or as a math center. Meets Common Core Standard 1.OA.8: Determine the unknown whole number in an
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FREE
212 Ratings
4.0

PDF (3.38 MB)

Here is a challenging and fun way to practice several math facts skills. Each of these 32 balance the equation task cards features two equal equations with one missing number. The equations are a mix of addition, subtraction, multiplication, and division within 100. The missing number appears equall
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Get this as part of a bundle: Math Skills Task Cards Bundle

\$3.19
279 Ratings
4.0

PDF (6.23 MB)

First Grade Math units that are designed specifically for First Grade Teachers and their students. This is the sixth unit in a series of ten units. The unit will provide 4 weeks of detailed Math instruction. Note: These first grade math units are NOT just a packet of worksheets. They provide teach
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\$12.00
157 Ratings
4.0

PDF (10 MB)

This product is a set of four two-step story problems which require students to use addition and subtraction. I hope you find it useful. Please leave me some feedback! Common Core State Standards Addressed: CCSS.Math.Content.2.OA.A.1 Use addition and subtraction within 100 to solve one- and two-s
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FREE
75 Ratings
4.0

PDF (792.99 KB)

Do you need additional resources to practice and assess missing addends? These no prep printables are the perfect tool! This product includes 8 Whole pages, 8 half pages and 8 quarter pages of worksheets designed for differentiated assessments, practice, review or homework. This product is aligned
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\$4.00
50 Ratings
4.0

PDF (1.29 MB)

Function tables, also called input/output tables, are a great way for students to practice their addition and subtraction facts, while also developing a better understanding of the connection between addition and subtraction. This set contains 66 cards covering all the addition/subtraction facts fr
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\$6.00
180 Ratings
4.0

PDF (3.77 MB)

This great math packet has 20 printable worksheets just for fourth grade (and 16 of them are 2 pages!) - and they ALL support 4.OA.A.3 Multi-Step Word Problems (addition and subtraction only). They can be used in so many ways! It is a generic theme packet, so it will be perfect for your lessons all
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\$2.50
60 Ratings
4.0

PDF (6.21 MB)

Here is a challenging and fun way to practice several math facts skills. Each of these 32 balance the equation task cards features two equal equations with one missing number. The equations are a mix of addition and subtraction within 10. The missing number appears equally in each of the four positi
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\$3.19
190 Ratings
4.0

PDF (5.04 MB)

Mixed word problems, or number stories, are a challenge in first grade and second grade. Knowing whether a word problem requires addition or subtraction can be difficult. This pack was created to help students to identify key words and determine which operation they should use. As they complete the
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\$3.50
187 Ratings
4.0

PDF (1.29 MB)

An internet connection is required to play this game. Your students will have a blast answering math questions to hatch adorable monsters from colorful eggs! This fun and engaging addition and subtraction within 20 math game works will all interactive whiteboards (SMARTBoard, Promethean, Mimio), tab
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\$4.99
95 Ratings
4.0

PDF (2.16 MB)

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