For this addition worksheet, students are given a sum and they are to come up with two sets of numbers that make up that sum.

In this writing number stories worksheet, 3rd graders practice writing word problems for addition problems that use three digit numbers. They read an example at the top of the page which is shown next to the picture of cartoon-like mouse.

Sometimes, written addition problems can confuse students. In this addition worksheet, students find sums for 10 written questions such as: "Find the sum of 30 and 50."

In this addition with picture clues worksheet, students solve 4 problems in which numbers below 5 are added and the correct answer circled from 3 choices. The second page has teacher tips.

In this addition worksheet, students mentally add 20 single digit numbers to 20 three digit numbers as fast as they can without working them out on paper. Students then add 5 additional single digit numbers to 5 three digit numbers and...

In this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.

In this addition worksheet, students write in the number that makes the addition operation correct. For example, they are asked what must be added to 555 to make 600. There are 15 questions on this page and the answers are on the second...

For this addition worksheet, students solve 14 problems in which the missing addend in an addition problem is filled in. All problems will have a sum of 100.

In this number story learning exercise, students write number stories about the addition operations on the page. There are 2 questions on this learning exercise.

For this number story worksheet, students read the addition operation and then write a number story to go along with it. There are 3 problems on this page.

Mental math is a wonderful skill for students to hone. In this adding mentally worksheet, students solve three number addition problems. A total of sixteen problems are solved.

In this addition and subtraction worksheet, students figure out the correct number to place in 8 boxes without doing the addition and subtraction sums.

In this addition and subtraction worksheet, students fill in the correct number in 8 boxes without doing the addition and/or subtraction sums.

In this addition word problem worksheet, students read the addition questions and write down the answers to the 10 word problems.

In this addition and subtraction activity, learners work with the inverse operations. They fill in the boxes in 8 examples using mental math. They look at the addition problems and fill in the blanks in the subtraction problem and vice...

In this addition worksheet, 3rd graders practice solving 10 addition problems involving 2-digit whole numbers. Students put their answers in the shapes provided.

For this addition with one or two digits worksheet, 2nd graders complete 10 horizontal addition problems. They place the sums in the shape at the end of the equation.

In this addition of decimals worksheet, students solve 9 addition problems only in their heads and write down their answers. Students add $5.99 to 8 amounts of money and $9.99 to 4 amounts of money.

In this addition mental math worksheet, students answer 12 questions by doing addition in their heads. They complete 8 more questions by adding after reading the problems which include key words such as increase, altogether, total, and sum.

In this addition of decimals activity, students work out 9 addition problems in their heads, add $4.99 to 8 amounts of money and $9.99 to 4 amounts of money.

In this addition and subtraction worksheet, students work out and answer 2 word problems, answer 2 short answer problems and fill in the missing 4 digits in one addition and one subtraction problem.

In this addition, subtraction and multiplication worksheet, students fill in 3 numbers on a card so that each side of the square adds up to 90. Students fill in 2 circles with 2 numbers so that the total of all 4 numbers in 900. Students...

In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.

In this addition worksheet, 2nd graders practice adding together 10 addition problems involving two 2-digit whole numbers. Students write their answers in the shapes provided.