The number line is a powerful math tool students can use to model their thinking when solving addition and subtraction problems. Use this lesson to help students use the number line to count forwards and backwards from 0 to 30.

Learners will solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a series of multi-operation problems with addition and subtraction of three-digit numbers to determine which does not match the...

This Curious George game will demonstrate operating with numbers (addition and subtraction) in various ways, up to a total of 10. George is playing with his train set. Can you help him build trains to be the right length?

[Free Registration/Login may be required to access all resource tools.] The video shows how to use addition and subtraction to keep an equation balanced by working backwards to determine the missing value. The video is followed by...

[Free Registration/Login may be required to access all resource tools.] The video shows how to work through a flow chart of addition and subtraction with numbers up to 1000. The video is followed by practice problems covering the topics...

An activity for students to solve simple word problems using addition and subtraction.

Students are to solve multi-step problems involving addition and subtraction.

Roll dice and place the numbers rolled in the fact family house, then solve the addition or subtraction problem.

Solve addition and subtraction word problems using a number line in this interactive exercise.

[Free Registration/Login may be required to access all resource tools.] The video works through 2-digit addition and subtraction problems to determine which number sentence coincides with the given value. The video is followed by...

This complete lesson plan has students solve word problems using addition and subtraction within 20.

This is a complete lesson that has students solving word problems using addition and subtraction within 20.

Use multiplication, division, addition, or subtraction to play this math basketball game. Choose your operation and level to try to collect basketballs to use for shooting free throws. Each correct answer earns you one basketball - the...

This lesson plans allows students to explore the meaning of the equal sign in addition and subtraction problems.

This lesson includes a series of questions that can be posed by the teacher to the whole class which revolves around addition and subtraction.

This is a collection of math games ranging from Kindergarten to the upper elementary grades, using only an ordinary deck of playing cards. There are games covering addition, subtraction, multiplication, division, fractions, percents,...

ABCya! Base Ten Blocks virtual manipulatives is to help students learn mathematical concepts including addition, subtraction, number sense, place value and counting.

Students will learn from these notes that will challenge their application of the order of operations. Multiplication, division, addition, and subtraction are featured in these notes.

Use this game resource with children to help them understand the meaning of addition (+) and subtraction (-). George loves the sounds of frogs croaking in the pond. Children can help him control the number of frogs in his chorus with the...

Download these free worksheets to sharpen your word problem skills. Sheets focus on addition, multiplication, subtraction, division, and other math topics.

In this lesson plan, 1st graders are given a graphic of a map and are to use addition and subtraction to solve the word problem.

Create and print your own flashcards by selecting a skill and number range from 1-20. Choose from addition, subtraction, multiplication, or division.

Find here flashcards for addition, subtraction, multiplication, and division for printing off and coloring.