In this algebra worksheet, learners solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.

Second graders use a number line to understand multiples.  In this number line lesson, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.

In this math learning exercise, students learn that subtracting means taking one number away from a larger number. Students look at the example and pictures and solve 45 problems.

What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...

Skip count along the mushrooms to complete these number sentences which give young scholars an introductory look at addition and subtraction. Starting from five double-digit numbers, they subtract or add by threes, fours, and fives to...

What is an addend? What is a sum? Review this math terminology on the top half of the worksheet before practicing basic addition. 

Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...

Students use optimization concepts to design their own container. In this optimization lesson plan, students understand how the optimization concept is critical in calculus and why products are packaged the way they are.

What happens when you add negative and positive integers to one another? Do you add or subtract, and will the answer be positive or negative? Young mathematicians use blue and red polka dots to determine the value of an expression that...

How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson plan. Following along with a reading of the children's book The Napping House by Audrey Wood, young...

Two online lessons, one in math and one in language arts, are here for you. In them, learners play online games which reinforce important skills in literacy and numeracy. The thing I like about both of these lessons is that they get the...

Connect literature (Jack the Builder) with mathematical concepts. In a series of computation, geometry and number sense activities, pupils count on to add, count back to subtract, build cylinders, cones, and rectangular prisms, and name...

Take young mathematicians' understanding of percents into the real world with this series of word problems. Involving a variety of contexts from calculating scores on math tests and savings account interest, to determining sale prices...

Practice adding and subtracting improper fractions with pineapple slices. Young mathematicians move whole pineapple slices to visualize the addition of the 2/5s that is on Sally's plate. Pupils also use a combination of mixed numbers and...

Here is really nice set of resources on scientific notation. Eighth and ninth graders explore the concept of multiplying and dividing in scientific notation. For this multiplying and dividing numbers in scientific notation...

Eighth and ninth graders solve and graph 24 different problems that include completing input/output tables and graphing the pairs. First, they find the missing values for each table and write the rule for x. Then, students write the...

In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.

Basic addition and subtraction need to be mastered before moving on to more challenging mathematics. This resource provides learners with one addition and one subtraction problem. They read the explanation included to learn how to solve...

Upper graders examine Native American culture while practicing mathematical concepts related to patterns and estimation. They will use mental math to add/subtract single digit numbers.

In this fractions instructional activity, students practice adding and subtracting thirty-three fraction math and word problems. Students check their answers online as they go.

In this addition and subtraction worksheet, students solve 15 problems in which they add or subtract with monomial denominators, binomial denominators, and complex fractions.

In this decimal quiz:  adding and subtracting learning exercise, 6th graders solve eight equations, then use a chart to answer seven questions about the data.

In this online math worksheet, students practice adding and subtracting metric weight values. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...

In this online math worksheet, students practice adding and subtracting aspects of time. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!