Although this worksheet says it contains addition and subtraction within 20, it doesn't. Learners will have to add and subtract double-digit numbers with answers up to at least 30. However, it does provide good practice.

Fourth graders practice adding rice cookies. In this mental math lesson, 4th graders get into groups and call out numbers to each other to add mentally. Students use the rice cookies to show the answer.

In this addition worksheet, students add the ones columns and fill in the carry squares, add the tens, then order the sums. Students solve ten problems.

In this addition worksheet, students add three digit numbers to three digit numbers. All equations are written in columns. None of the combination of numbers are greater than 10, therefore, there is no "carrying" in this worksheet. ...

In this addition worksheet, students add 3-digit numbers, in groups of three. All problems are written in column form. Students will have to "carry" numbers. There are 16 addition equations on this one-page worksheet. An answer key is...

This PowerPoint demonstrates adding numbers to make 10s using examples of long column addition.

Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...

In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.

In this math activity, students solve two-digit addition problems with regrouping. The activity includes a number line to help students solve the problems.

For this addition worksheet, students fill in the missing numbers in eight addition number grids. Students check that each row adds up together to match the total at the right and at the bottom of each grid.

In these 4 digit addition worksheets, students add the four digit addition equations to improve their addition skills. Students solve 12 problems.

In this addition worksheet, students learn how to add two 3-digit numbers. They then solve the 12 addition problems on the worksheet. The answers are on the last page.

In this addition learning exercise, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.

In this addition worksheet, students solve 2 digit addition problems with regrouping. Students solve 12 addition problems and have a review in the beginning.

For this math worksheet, students will add three numbers to find the sum. The equations are presented vertically and addends are numbers 1 to 9.

In this math worksheet, students add two double digit numbers. Carrying (or regrouping) from the ones to the tens column is required on 9 problems. Ten problems have answers greater than one hundred.

For this finding the sums and differences worksheet, students write the equations in the ones and tens columns and solve and also solve vertical problems with and without regrouping. Students solve 18 problems.

In this addition worksheet, students add 5 sets of one to three digit numbers. Students determine which numbers in a word problem need to be added and they find the sum of those numbers.

In this addition activity, students add two and three-digit numbers together and convert them from horizontal to vertical problems. Students complete 12 addition problems with regrouping.

In this column-addition worksheet, students add four-digit numbers that represent money with decimals. Students complete 20 problems with regrouping.

In this column addition instructional activity, students complete a set of 12 problems, adding four and five-digit numbers. A reference website is given for additional activities.

For this 4-digit column addition activity, students complete 15 problems. A reference website is given for additional activities.

For this addition worksheet, students complete a total of 12 problems, adding three and four-digit numbers. A reference website is given for additional activities.

In this addition worksheet, students complete a set of 12 problems, adding two- and three-digit numbers. Numbers must be arranged vertically and problems completed. A reference website is given for additional activities.