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.

For this addition worksheet, students solve 20 problems in which two digit numbers are added with no regrouping. There is a number line provided.

In this addition worksheet, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.

In this addition worksheet, learners solve 20 problems in which two digit numbers are added. There will be no regrouping on this page.

In this decimal addition worksheet, students solve 5 problems that require them to use mental math to add decimals. Students also solve 5 problems that require them to fill in the blanks with missing decimal addends.

In this addition worksheet, students fill in the missing numbers to complete 5 addition squares. Students add across and down, filling in the addends.

In this addition activity, students complete 24 problems, filling in missing numbers, either addends or sums. A reference website is provided for additional activities.

In this Christmas addition worksheet, learners supply a missing "gift" addend to complete a set of problems. A website reference for additional resources and answers are provided.

Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...

In this math worksheet, students will work with a coach to learn about and practice three addition properties: associative, commutative, and identity. Students will follow a step-by-step process and notes are provided for the coach.

For this math worksheet, students will work with a coach to find the average of three bowling scores. Students will follow a step-by-step process and notes are provided for the coach.

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.

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...

Students are asked to solve a word problem with both addends unknown. They will write an equation and draw a picture to use to explain their answer.

Roomrecess: Alien Addends is an online game where the player's spaceship has to catch the missing numbers to the addition problems.

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.