Illustrative Mathematics
Regrouping
What number does 6 tens and 16 ones represent? How is it different from or similar to the number that 7 tens and 6 ones represent? This is the type of questions learners are asked to solve as a way to understand the concept of regrouping.
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Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
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Subtraction with Regrouping
Use this handy presentation to clear up any confusion related to subtraction with regrouping. Each slide provides concrete examples of what occurs when one subtracts with regrouping. A full explanation and additional example problems...
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Multiplying Larger Numbers by Ones
Those are some big numbers! Scholars multiply three and four-digit numbers by one-digit numbers in these equations. There are 28 total, and they do need to regroup for many of them. The one-digit numbers are all either 7, 8, or 9; use...
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Regroup Ones: Reteach
In this regrouping ones learning exercise, students review steps to help them add using regrouping. Kids find the sums for ten addition problems. Students write yes for each exercise where they regrouped ones to make a ten.
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Regroup Ones as Tens: Homework
In this regrouping numbers worksheet, students learn how to regroup ones as tens to find a given number. Students solve five problems using regrouping.
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Regroup Ones and Tens
In this addition worksheet, students add upward 15 2 and 3-digit whole numbers problems. Students complete 3 tables utilizing Algebra functions and answer 2 test prep questions.
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Subtracting With or Without Regrouping - Lesson & Worksheet
Second graders analyze subtraction problems. In this subtraction lesson, 2nd graders examine how to subtract numbers with and without regrouping. Students work in teams to complete board races. Assessment is provided.
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Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Teacher's Guide
Addition with and without Regrouping Valentine's Day
Young mathematicians practice adding one- and two-digit numbers with and without regrouping, in a Valentine's Day math activity.
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Add Tens and Ones
In this finding the sum worksheet, students add two-digit plus two digit numbers in ones and tens place values with regrouping. Students solve 12 problems.
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Regroup Ones as Tens: Reteach
In this regrouping numbers worksheet, students review three steps to help them regroup numbers. Students then write the tens and ones for each set and then write the number.
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Regroup Ones as Tens: Problem Solving
In this regrouping numbers worksheet, students read the word problems and then solve by regrouping the numbers in the ones as tens. Students solve four problems.
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Regroup Ones
In this addition worksheet, students solve 17 problems in which three digit numbers are added with regrouping. There is one story problem on the page.
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Regroup Ones and Tens
In this problem solving worksheet, students analyze the information on a data table about the sizes of bears. Students use the table to solve 4 problems in which addition with regrouping twice is used.
K-5 Math Teaching Resources
2-Digit Addition Template
Learning two-digit addition isn't about memorizing steps, it's about understanding place value. Support the development of your class's number sense with these addition mats that help children break apart two-digit numbers into tens and...
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Deciding When to Regroup
In this regrouping worksheet, 2nd graders complete a chart by determining whether 5 subtraction problems need to be regrouped or not and writing the tens and ones on the lines provided for each one. Students study the first one done for...
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Regrouping Ten Ones for One Ten
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.
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Regroup Ones as Tens: Practice
In this regrouping numbers worksheet, students learn to regroup numbers by writing the tens and ones for each number set and then writing the number. Students finish with one test prep question using regrouping.
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Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
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Two-Digit Subtraction With and Without Regrouping
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
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Popsicle Stick Regrouping Fun
Students demonstrate regrouping in subtraction. For this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
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Regroup and Subtract
In this regroup and subtract worksheet, students "use making 10 strategy" to regroup ones and tens and subtract 5 problems. A reference web site is provided.
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Decide When to Regroup homework 10.4
In this regrouping worksheet, students use paper clips to show tens and ones, determine whether there is a need to regroup, and find the sum. Students solve five problems.