Students perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.

Students investigate the weather in different places in the world. In this algebra lesson, students use technology to gain an understanding of how to study integers. They add and subtract integers on a number line.

This is really a math review for older elementary learners to practice making equations using adding, subtracting, multiplying, and dividing in a fun way. They get to move around and play with hula hoops, bean bags, balls, and jump...

Solve subtraction problems like a pro. This Jeopardy style math review asks the class to subtract 2 digit numbers, to get to zero, to balance and equation, and to make new numbers. This is an excellent review that covers topics...

What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...

A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...

I can multiply, so why can't I add these radicals? Mathematicians use the distributive property to explain addition of radical expressions. As they learn how to add radicals, they then apply that concept to find the perimeter of...

Subtraction is all about opposites, and the fifth activity in a series of 25 introduces the concept of subtracting integers. Pupils connect subtracting with discarding a card in the integer game. They develop the rule for subtracting...

Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...

Young mathematicians draw pictures to help them solve a series of addition and subtraction word problems. The final problem in the set of ten is a bit fishy because Nikki caught some fish, threw those back, and then caught some more.

Students demonstrate how to solve addition and subtraction of fractions. In this fractions instructional activity, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.

Discover the concept of fractions by using fruit as a model. Scholars discover fractions are part of a whole, similar to the pieces of fruit which are placed in front of them. They then cut up several different types of fruit and discuss...

One step equations involving addition, subtraction, multiplication and subtraction.  Step by step methods of how to solve these equations and has practice problems for each operation.  Answers are provided.  As a...

Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with...

Third graders read and solve six word problems and decide whether to add or subtract. The numbers range in 2-digit up to 4-digit.

Third graders read nine word problems and decide whether to add or subtract. The problems involve mostly 2-digit addition and subtraction.

Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10. 

Engage young mathematicians in developing their basic arithmetic skills with these great hands-on activities. Using Unifix® cubes to model a variety of single digit addition and subtract problems, children build a basic...

Scholars learn how to determine the area of compound shapes by finding the areas of the basic shapes that make it up. Pupils find the areas by adding areas together or subtracting them.

Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...

In this elementary math worksheet, students review subtracting decimals as they complete 25 problems. The problems require students to subtract digits ranging from 10-99.

In this money subtraction worksheet, students use their math skills to solve 20 problems that require them to subtract Euro amounts in increments of 5 cents.

In this money subtraction worksheet, students use their math skills to solve 20 problems that require them to subtract Euro amounts in 2 cent increments.

In this money subtraction worksheet, students use their math skills to solve 20 problems that require them to subtract Euro amounts in 10 cent increments.