In this math instructional activity students add four digit numbers with and without regrouping. Worksheet pictures a variety of dinosaurs and other extinct animals.

In this addition learning exercise, learners add two and three digit numbers together with and without regrouping. Students complete 15 addition problems.

In this addition worksheet, students add three and four digit numbers together with and without regrouping. Students complete 15 addition problems.

In this addition worksheet, students add 2 and 3 digit numbers together with and without regrouping. Students complete 15 addition problems.

In this addition worksheet, students add 1 digit numbers together without regrouping. Students complete 15 addition problems and write the sum.

In this addition worksheet, learners add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.

In this addition worksheet, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.

For this addition worksheet, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.

For this math worksheet, young scholars solve three word problems involving subtraction. The first problem is guided. Students use the questions to solve the problem. Young scholars solve two more problems without the guide questions.

Students subtract mixed numbers that require regrouping and have a difference less than fifty.

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, students solve 20 problems in which two digit numbers are added. There will be carrying on this page.

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

In this mathematics worksheet, 6th graders identify and practice adding and subtracting units of measure. They add or subtract and regroup for each problem. Then, students explain how each way is different.

Students explore grouping. In this math lesson plan, students brainstorm ways to efficiently count the items in their pile and discuss the methods used. Students use a place value chart and practice regrouping ones to tens.

In this multiplication practice worksheet, students solve 36 problems that require them to multiply 2-digit numbers by 2-digit numbers.

In this addition worksheet, 2nd graders add 2 digit numbers together with and without regrouping. Students complete 40 problems.

In this addition worksheet, 2nd graders add two digit numbers together with and without regrouping. Students complete 40 problems.

In this 2-digit addition worksheet, learners complete 20 problems, adding one 2-digit number to another. Answers are included on page 2. A reference web site is given for additional activities.

In this addition instructional activity, students solve 9 problems in which two digit numbers are added with no regrouping. Students rewrite an addition sentence that is in horizontal format and stack the numbers in a place value chart.

In this addition activity, students solve problems with the help of a number line. Students complete twenty simple two-digit addition problems.

In this addition and subtraction mixed operations worksheet, learners solve 45 problems that require them to add and subtract using single digit numbers. Students also solve 2 story problems.

In this subtraction instructional activity, students solve 40 problems in which four digit numbers are subtracted. All of the problems will require regrouping.

In this subtraction worksheet, 2nd graders subtract one and two digit numbers with and without regrouping. Students complete 12 subtraction problems.