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Curated OER
Regroup Ones as Tens: Homework
In this regrouping numbers activity, 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 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 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: 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.
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.
Curated OER
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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Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
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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Subtracting With or Without Regrouping - Lesson & Worksheet
Second graders analyze subtraction problems. In this subtraction lesson plan, 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...
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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 instructional activity, students construct models using connecting cubes and place value mats to solve simple addition problems that require 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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Batchelder Bubble Gum Factory: Place Value Unit
Students explore grouping. For this math lesson, 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.
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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.
Curated OER
Popsicle Stick Regrouping Fun
Students demonstrate regrouping in subtraction. In 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 Hundreds homework 22.3
In this subtraction with regrouping instructional activity, students observe a problem showing place values, subtracting steps, regrouping, and the difference, and apply the example to solve three-digit subtraction problems. Students...
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Deciding When to Regroup
In this addition worksheet, 2nd graders determine if they need to regroup or not in 3 word problems. Students circle their answers, yes or no, and write the tens and ones numbers in the blanks provided.
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Decide When to Regroup - Reteach
In this addition learning exercise, 3rd graders decide when to regroup in addition problems after reviewing the steps. They use a workmat and place value blocks as they complete 4 problems. They identify how many tens and ones there are...
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Regroup Tens: Reteach
In this regroup tens worksheet, students review three steps to regroup numbers. Students then regroup 1 ten and write the tens and ones on the blanks for each problem.
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Regroup Tens: Homework
For this regrouping tens worksheet, students review how to regroup using tens to show numbers in another way. Students regroup 1 ten using beans, buttons, macaroni, or paper. Students then write the tens and ones for each example and...
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Deciding When to Regroup
In this deciding when to regroup worksheet, students, with a partner, practice problem solving five word problems associated with regrouping.
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Subtracting With Regrouping
In this regrouping worksheet, 2nd graders practice subtracting tens from ones in 2 math problems. Students determine if each math problem needed to be regrouped or not.
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Two-Digit Subtraction With Regrouping
Young scholars practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson plan, students use the regrouping method to solve the 2-digit...