Adding two digit numbers involving regrouping

In this lesson, we will learn how to add 2 digit numbers by partitioning one or both numbers.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Solve the following equation. You may use any strategy you think is best.

1/3

Q2.Solve the following equation. You may use any strategy you think is best.

2/3

Q3.Solve the following equation. You may use any strategy you think is best.

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Solve the following equation. You may use any strategy you think is best.

1/3

Q2.Solve the following equation. You may use any strategy you think is best.

2/3

Q3.Solve the following equation. You may use any strategy you think is best.

3/3

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Adding 2 digit numbers involving regrouping

This quiz will help you assess what you have learned in this lesson

Q1.Solve the following equation by partitioning 1 number: 26+15=

1/3

Q2.Solve the following equation by partitioning both numbers: 49+25=

2/3

Q3.Solve the following equation by using any strategy you think makes sense: 28+15=

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Adding 2 digit numbers involving regrouping

This quiz will help you assess what you have learned in this lesson

Q1.Solve the following equation by partitioning 1 number: 26+15=

1/3

Q2.Solve the following equation by partitioning both numbers: 49+25=

2/3

Q3.Solve the following equation by using any strategy you think makes sense: 28+15=

3/3

Lesson summary: Adding two digit numbers involving regrouping

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