Students act out computation problems. In this addition and subtraction lesson, students act out an addition story and write an addition sentence for it. Students continue this activity and answer the provided questions.

Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.

For this addition and subtraction fact family practice worksheet, students complete the 10 sets of fact families as they use their adding and subtracting skills to fill in the blanks in the 10 sets of number sentences.

In this addition and subtraction fact family practice instructional activity, students complete the 10 sets of fact families as they use their adding and subtracting skills to fill in the blanks in the 10 sets of number sentences.

In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.

In this work problem worksheet, students complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.

In this grade 3 addition and subtraction word problems worksheet, 3rd graders read the examples, then solve 7 addition problems, 7 subtraction problems and 7 mixed problems.

For this mathematical operations worksheet, students solve the six math word problems by determining which operation to use, addition or subtraction, to solve the problem.

In this writing equations practice worksheet, students use their problem solving skills and the information provided to write 10 addition and subtraction number sentences and solve them.

In this addition and subtraction practice worksheet, students use their problem solving skills to use the information provided to write and solve 12 equations.

In this addition and subtraction worksheet, students fill in missing numbers in addition and subtraction problems, helping "Molly get out of the pyramid." A reference web site is given for additional activities.

For this word problem worksheet, students study the given addition and subtraction problems. Students then create a word problem for each one.

In this missing addend worksheet, students fill in the missing addend to the addition and subtraction problems. Students fill in the missing addends for numbers 1 through 10 for 100 problems.

In this mathematics worksheet, students solve various problems by following the rules for operations with integers. There are 28 problems to solve on the sheet that include addition, subtraction, multiplication and division of integers.

In this metric conversion worksheet, students problem solve ten mathematical equations involving addition and subtraction with cm and mm.

In this number pattern worksheet, students use addition and subtraction to determine the next number in the pattern of numbers. There are 8 questions on this worksheet and the numbers are primarily 3 digits.

The title is a bit confusing, but understand that the addends are only two-digit numbers. It is the answers, the sums, that will consist of three digits. Learners solve six addition practice problems. Answers can be obtained by clicking...

In this decimal addition and subtraction for grade 3 worksheet, 3rd graders answer 10 multiple choice questions, not interactively,  with the answers available online.

Students play the Raindrop Game to reinforce math skills. In this addition and subtraction lesson, students explore the concept of more and less as they play a weather-themed card game.

In this multiple choice worksheet, students read short word problems and add or subtract to determine how much money is represented in each problem.

Third graders listen to a lecture and view a PowerPoint presentation on using regrouping in three-digit subtraction problems. They use a spinner to form three-digit subtraction problems and complete them.

In this word puzzle worksheet, students use a calculator find the sums or differences for each number problem. Students then turn the calculator upside down to see a word from the number answer. Students write the word at the end of each...

In this number sense worksheet, students complete 16 subtraction problems containing three digit numbers and insert the answers in a crossnumber puzzle.

In these multiplication and division worksheets, 3rd graders solve single digit problems. Students complete 100 multiplication and 100 division problems with no remainders for mastery.