Students explore regrouping. In this hands-on math place value lesson, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.

In this finding the sums of fractions worksheet, learners add single digit and double digit fractions with uncommon denominators. Students solve 120 problems. 

In this elementary math worksheet, students review subtracting decimals as they complete 25 problems. The problems require students to subtract digits ranging from 10-99.

In this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...

A jack-o-lantern containing a ghost top this page, making it a seasonal addition to your math lessons. On it, your little goblins will practice addition and subtraction of three-digit numbers. A terrific tool when working on Common Core...

For this addition worksheet, students add two-digit vertical numbers with some regrouping to find the sums. Students solve twelve problems.

In this addition worksheet, students use pictures of bars and numeric problems to add whole tens and complete addition problems. A website reference is given for additional activities. 

In this addition learning exercise, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.

In this mathematics worksheet, 4th graders identify what is missing from the whole 1 in each problem. Then they draw a number line from 0 to 2 with tick marks at every tenth place. Students also add each decimal and write their...

For this addition practice worksheet, students practice their math skills as they solve 21 addition problems that require them to add 3 digit numbers, 4 digit numbers, and money. Students also answer 2 test prep questions.

In this math worksheet, learners complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.

In this subtracting large numbers with decimals instructional activity, 5th graders solve 10 subtraction problems with decimals and 4 to 7 digit numbers in multiple choice format, answers can be shown online.

For this addition worksheet, students complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line.

In this order of operations worksheet, students complete addition and subtraction problems with parenthesis and 3 and 4 digit numbers. Students complete 9 problems. 

In this addition and subtraction practice worksheet, students use the counting blocks to help them solve 12 problems that require them to add and subtract with 1 and 2 digit numbers.

In this addition and subtraction practice worksheet, students use the counting blocks to help them solve 12 problems that require them to add and subtract with 1 and 2 digit numbers.

Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...

For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.

For this Irish-themed math worksheet, your leprechauns solve 20 problems. All of them involve two-digit numbers added to two-digit numbers and require regrouping. Learners write their answers in a shamrock on the page which has a St....

Pupils practice adding one digit numbers.  For this practicing adding one digit numbers lesson, students roll dice to determine which one-digit numbers they will add together.  Pupils practice adding one digit numbers for speed...

Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math...

Students examine the concept of addition by adding two one-digit numbers whose sum is less than ten. They count and add goldfish crackers together, chorally repeating each problem.

Students explore addition facts with sums to 18. Using Unifix cubes, students demonstrate addition sentences. They use a variety of manipulatives to illustrate addition facts for different sums. Students participate in a flash card game...

In this adding greater numbers worksheet, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.