Adding and subtracting tens from a 2-digit number

In this lesson we are going to be adding and subtracting multiples of ten by using number bonds to ten.

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!

Question 1

Question 2

Question 3

Question 4

Q1.If I know 6 - 5 = 1. Then I know 60 - 50 = ____

1/4

Q2.If I know 7 - 3 = 4. Then I know 70 - 30 = ____

2/4

Q3.What is 30 + 50?

3/4

Q4.Sixty subtract forty is equal to....

4/4

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!

Question 1

Question 2

Question 3

Question 4

Q1.If I know 6 - 5 = 1. Then I know 60 - 50 = ____

1/4

Q2.If I know 7 - 3 = 4. Then I know 70 - 30 = ____

2/4

Q3.What is 30 + 50?

3/4

Q4.Sixty subtract forty is equal to....

4/4

Video

Play video

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Worksheet

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Quiz:

Adding and subtracting tens from a 2-digit

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.If 2 + 3 = 5 then 20 + 30 = _____

1/5

Q2.If I know that 6 - 2 - 3 = 1 then 60 - 20 - 30 = ____

2/5

Q3.What is 40 - 30?

3/5

Q4.What is 67 - 20?

4/5

Q5.Seventy Two subtract Thirty is equal to ______

5/5

Quiz:

Adding and subtracting tens from a 2-digit

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.If 2 + 3 = 5 then 20 + 30 = _____

1/5

Q2.If I know that 6 - 2 - 3 = 1 then 60 - 20 - 30 = ____

2/5

Q3.What is 40 - 30?

3/5

Q4.What is 67 - 20?

4/5

Q5.Seventy Two subtract Thirty is equal to ______

5/5

Lesson summary: Adding and subtracting tens from a 2-digit number

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