Video: Multiplying 1-Digit Numbers by 10

Complete: 10 × 7 = _ tens.

01:23

Video Transcript

Complete, 10 multiplied by seven equals what tens.

We’re being asked to work out how many tens there are in 10 times seven. We can use a number line to help us multiply 10 by seven. We would need to make seven jumps of 10 on the number line. Let’s count in tens. 10, 20, 30, 40, 50, 60, 70. 10 multiplied by seven equals 70.

Let’s think about the value of each of the digits. We’re being asked how many tens there are in 70. This is the tens digit. And we can see that there are seven tens in the number 70. 10 multiplied by seven is equal to seven tens. Seven tens are 70.

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