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Interactive
Curated OER

Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, students use the number line to help them find the sum or difference to the 23 single or double digit problems.
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Worksheet
Curated OER

Secret Code Riddles: Addition & Subtraction

For Students 4th - 6th
In this riddle worksheet, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to solve...
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Worksheet
Curated OER

Three Digit Subtraction Worksheet 1

For Students 3rd - 6th
In this three digit subtraction worksheet, students calculate the answers to thirty mathematical subtraction equations.
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Worksheet
Curated OER

Addition, Subtraction and Estimating

For Students 4th - 6th
In this addition, subtraction and estimating worksheet, students answer 13 questions pertaining to addition, subtraction, estimating and even/odd or 2/3-digit numbers. They can click on the Check box to find out if their answers are...
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Lesson Plan
Curated OER

Addition, Subtraction and Multiplication of Polynomials

For Teachers 6th - 8th
In this math worksheet, students find the solutions to the problems that involve addition, subtraction, and multiplication with polynomials. They align the like terms before performing the calculations.
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Worksheet
Curated OER

Word Problems: Addition, Subtraction, Multiplication, Division

For Students 4th
In this word problems:  addition, subtraction, multiplication, division worksheet, 4th graders solve six word problems using mixed computational operations.
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Worksheet
Curated OER

Visual Sum and Difference Word Problems

For Students 1st - 2nd
Aside from awkward wording, this worksheet has problems for learners to solve. They read each problem then use the provided pictures to solve. Note: The images and language are misleading on this worksheet and may be confusing for some...
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Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
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Worksheet
Curated OER

Fact Families

For Students 1st - 2nd
These fact families need to be completed. Scholars use addition and subtraction to complete four number sentences for each set of three numbers. The sentences are all part of the number set's fact family, and demonstrate the commutative...
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Lesson Plan
Alabama Learning Exchange

Ice Fishing is for the Birds

For Teachers K - 1st Standards
Approach addition with young mathematicians in an engaging way through this penguin-inspired activity. In small groups, scholars think about times they have used addition in their real lives (there are some suggestions given), then watch...
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Lesson Plan
Illustrative Mathematics

The Napping House

For Teachers Pre-K - 1st Standards
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians add...
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PPT
Curated OER

Number Bonds to 10: Game

For Teachers 1st - 2nd
Knowing number bonds that make 10 is a good way to build number sense and can help in solving basic addition and subtraction problems. Kids review number bonds, then play a game where they are given a number and try to shout out the...
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Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #2

For Students 2nd - 4th Standards
Reinforce math the concepts of addition, subtraction, multiplication, and division, with a six problem learning exercise. Each question is presented in word problem format that requires learners to perform operations of numbers up to 815.  
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Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #6

For Students 2nd - 4th Standards
Nine questions make up a mixed practice activity. The word problems require scholars to show what they know about money, addition, subtraction, multiplication, and division using numbers up to 5,300.
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Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #7

For Students 2nd - 4th Standards
Five questions make up a mixed practice worksheet. Pupils use their skills in addition, subtraction, and multiplication to answer word problems consisting of numbers up to 130. 
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Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #4

For Students 2nd - 4th Standards
Reinforce math skills with a mixed practice worksheet. Five word problems cover addition, subtraction, and multiplication using numbers up to 1,300.  
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Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #11

For Students 2nd - 4th Standards
Reinforce math concepts with a mixed practice worksheet. Scholars use their knowledge of addition, subtraction, and working with money to solve five word problems. 
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Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #8

For Students 2nd - 4th Standards
Six questions make up a mixed practice worksheet. Scholars use their knowledge of addition, subtraction, multiplication, money, perimeter, ounces, and pounds to solve word problems with numbers up to 66,000.
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Interactive
ABCya

Turkey Touchdown

For Students K - 5th Standards
Touchdown! A Thanksgiving Day, football-themed learning game challenges mathematicians to answer addition, subtraction, multiplication, and division problems. After five correct answers, players aim and kick a field goal before the next...
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Worksheet
DK Publishing

Real-Life Problems: Distance, Length, and More

For Teachers 4th - 5th Standards
Math just got real! Scholars solve seven word problems dealing with life applications for multiplication, division, and subtraction.  They show their work in a designated space, and must include units in their answers. Learners will work...
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Worksheet
DK Publishing

Subtracting Big Numbers, part 2

For Students 3rd - 4th Standards
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
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Worksheet
Curated OER

Using Doubles

For Students K - 2nd Standards
Bring this easy shortcut to your first grade addition lesson!  By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
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Lesson Plan
1
1
Curated OER

Operating on Matrices

For Teachers 9th - 12th Standards
Learners investigate matrices by exploring addition, subtraction and multiplication of matrices.  Students find the determinant and inverse of a matrix.  The lesson includes a set of practice problems
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Worksheet
Raytheon

Signed Numbers/Integers Worksheets

For Students 6th - 8th
In this positive and negative numbers worksheet, middle schoolers compute the values indicated using addition, subtraction, multiplication and division, with answer keys included.

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