Curated OER
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.
Curated OER
ONES and TENS
Before you can teach place value or regroup, you need to provide students with a concrete idea of the definition of ones and tens. Here, ones and tens are defined and then shown several different ways in order to represent several...
Curated OER
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.
Curated OER
Regroup Ones and Tens
For 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.
Curated OER
Regroup Ones as Tens: Reteach
In this regrouping numbers activity, learners review three steps to help them regroup numbers. Students then write the tens and ones for each set and then write the number.
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...
Curated OER
Add Tens and Ones
In this finding the sum instructional activity, students add two-digit plus two digit numbers in ones and tens place values with regrouping. Students solve 12 problems.
Curated OER
Regroup Ones as Tens: Practice
For 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.
Curated OER
Regroup Ones and Tens
For 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.
Curated OER
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.
Curated OER
Subtracting With or Without Regrouping - Lesson & Worksheet
Second graders analyze subtraction problems. For 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.
Curated OER
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...
Curated OER
Regroup and Subtract
In this regroup and subtract activity, students "use making 10 strategy" to regroup ones and tens and subtract 5 problems. A reference web site is provided.
Curated OER
What's Missing?
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
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...
Curated OER
Deciding When to Regroup
In this regrouping learning exercise, 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...
Curated OER
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.
Curated OER
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...
Curated OER
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.
Curated OER
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.
Curated OER
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.
Curated OER
Regroup Hundreds homework 22.3
For this subtraction with regrouping worksheet, learners observe a problem showing place values, subtracting steps, regrouping, and the difference, and apply the example to solve three-digit subtraction problems. Students solve thirteen...