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Worksheet
Curated OER

Addition Strategies: Compensation

For Students 3rd - 4th
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
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Lesson Plan
Curated OER

Problem Solving - Adding Whole Numbers

For Teachers 3rd - 5th
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
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Lesson Plan
Curated OER

Two By One Multiplication

For Teachers 3rd
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.
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Worksheet
Savvas Learning

How Many Hundreds?

For Students 2nd - 3rd Standards
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
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Worksheet
Curated OER

Mental Maths

For Teachers 2nd - 4th
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
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Lesson Plan
Curated OER

Math Lesson Plan: Pumpkin Addition and Subtraction

For Teachers 1st - 2nd
Pupils practice their addition and subtraction skills. In this seasonal math lesson, students create pumpkin worksheets that may be used to practice addition and subtraction number sentences.
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Activity
Collaborative Learning Project

Four in a Row Addition and Subtraction

For Teachers 1st - 3rd Standards
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
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Interactive
New Mexico State University

Monster School Bus

For Students 3rd - 5th Standards
Load up the bus. Pupils play a game where they control a bus to pick up a certain number of monsters for school. Learners develop strategies to make sure they have a full load and score the most rewards. As scholars work through the...
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Lesson Plan
Curated OER

Number Lines and Bead Strings

For Teachers 2nd - 3rd
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
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Lesson Plan
Curated OER

Mathematics Lesson Plan

For Teachers 2nd
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
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Worksheet
Curated OER

What is the Cat Looking For?

For Students 2nd - 4th
In this addition worksheet, students answer 10 fill in the blank questions where they rewrite number sentences to use the making ten strategy. Then students use the answers to solve a connect the dot puzzle.
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Lesson Plan
Curated OER

Ten Sly Piranhas: A Counting Story in Reverse

For Teachers 2nd - 3rd
Young scholars solve related addition and subtraction problems. In this addition and subtraction instructional activity, students use the book Ten Sly Piranhas by William Wise as the source of word problems for young scholars to solve.
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Worksheet
Curated OER

Missing Numbers

For Students 2nd - 3rd Standards
In this number sequence worksheet, students examine 6 number sequences and fill in 1 missing number in each sequence. Next, students use the strategy of counting by ten to complete 5 different number sequences.
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Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 2

For Students 2nd - 4th Standards
Develop the problem solving skills of your young learners with this collection of math newsletters. Covering a variety of topics ranging from simple arithmetic and number sense to symmetry and graphing, these worksheets offer a nice...
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Worksheet
World Wildlife Fund

Arctic Take 6

For Students 3rd - 5th Standards
The magic number is six! Using a 6x table, young math stars practice adding, subtracting, multiplying, and dividing two-digit numbers with the number six. This worksheet also touches on making tessellations with hexagons. 
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Lesson Plan
Curated OER

Compatible Numbers To Ten

For Teachers 7th - 8th
Students solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the story...
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Worksheet
Curated OER

Mentally Add Two 2-Digit Numbers pg. 1

For Students 4th - 6th
Mental math addition is the focus of this activity. Students apply a strategy outlined in the activity to find the sums. In this activity, students find the answers for twenty problems. Answers appear at the end.
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Activity
Florida Center for Instructional Technology

A Human Number Line: Teacher Notes

For Teachers 4th - 6th Standards
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
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Interactive
Curated OER

My Test Book: Addition and Subtraction

For Students 2nd - 3rd
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
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Interactive
Curated OER

My Test Book: Addition and Subtraction 2

For Students 2nd - 3rd
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding 2-digit addition and subtraction. Students may view the correct answers.
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Lesson Plan
Curated OER

Addition and Subtraction Facts to 20 - Manipulative

For Teachers 1st - 3rd
Here is a good lesson that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.
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Lesson Plan
Curated OER

Butterfly Addition: Color by Numbers

For Teachers K - 1st
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
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Worksheet
Curated OER

Math Review Questions

For Students 6th - 8th
In this problem solving worksheet, students calculate and solve 52 questions or equations having to do with a variety of math concepts and strategies.
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Handout
Nosapo

Reading, Vocabulary, Comprehension

For Students 4th - 12th Standards
Whether you teach mainstream elementary classes or older English learners, a set of reading comprehension resources is a great addition to your language arts curriculum. Ten activities each include a reading passage and set of...