For this addition worksheet, 1st graders focus on addition with the number zero. Students complete 4 horizontal addition problems counting the number of objects shown and adding the amount to zero before writing the total on the line...

In this addition worksheet, 2nd graders add single digit numbers. Students complete 12 horizontal problems using the number line provided at the top of the page.

In this addition instructional activity, 2nd graders add single digit numbers. Students complete 12 horizontal problems using the number line provided at the top of the page.

In this addition worksheet, students solve 12 problems in which numbers from 0 to 8 are added. Students may use the labeled number line provided.

In this addition worksheet, students solve 12 problems in which zero is added to a number below 8. The page has photos of tropical fish.

In this number sentences instructional activity, students write addition number sentence for the apples in each problem. Students complete 4 number sentences.

In this subtraction activity, students subtract one digit numbers from one and two digit numbers with the same 10. Students complete 8 sets of problems.

Mini mathematicians use magnets to complete subtraction sentences. They choose a number of objects with the magnet and subtract the number from the total objects.  Have them create number sentences as they fish for magnets. 

Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson plan, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...

In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.

In this sums with nine worksheet, 1st graders calculate the sums of nine in ten sets of red dots, calculate the answers to twenty five addition equations.

[Free Registration/Login Required] In this flipchart students will either count up and/or use a hundreds chart to determine a missing addend.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with a set of numbers up to 100,000, most of which end with one or more zeroes, and must apply their understanding of...

Students will play learning games to find missing numbers, match pictures, identify angles, and select true or false.

An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...

This resource is a set of ten timed practice problems where parameters are selected for the sum and the range of addends. The sum and one addend are given and students determine the missing number to create the sum. Instant feedback and...

MathWorld provides a detailed definition of addition.

Students learn how to solve a mathematical equation with a missing addend. Students will learn the combinations of addends to find the sums of nine and ten. Students practice math facts with accuracy and immediacy for sums of nine and ten.