Subtracting with the Number Line

The video tutorial introduces the concept of using a number line for subtraction by counting back. It provides step-by-step examples of subtracting numbers such as 10 minus 3, 12 minus 3, 16 minus 9, and 14 minus 8. The tutorial emphasizes the importance of starting with the first number and counting back the number of times indicated by the second number. The video concludes with a recap and encourages viewers to explore additional videos for further learning.

What is the key concept to remember when using a number line for subtraction?

• Count forward to subtract

• Count back to subtract

• Count in fractions to subtract

• Count in multiples to subtract

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In the example 10 - 3, where do you start on the number line?

• At 0

• At 10

• At 7

• At 3

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How many times do you jump back when subtracting 3 from 10?

• 2 times

• 3 times

• 5 times

• 4 times

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What is the result of 10 - 3 using the number line?

• 6

• 9

• 7

• 8

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In the example 12 - 3, what number do you start with on the number line?

• 15

• 12

• 9

• 3

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What number do you land on after jumping back 3 times from 12?

• 9

• 7

• 6

• 8

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In the example 16 - 9, how many times do you jump back?

• 8 times

• 7 times

• 9 times

• 6 times

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What is the result of 16 - 9 using the number line?

• 5

• 6

• 7

• 8

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In the example 14 - 8, what number do you start with on the number line?

• 6

• 8

• 14

• 16

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What is the result of 14 - 8 using the number line?

• 4

• 5

• 6

• 7

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