Multiplying by Multiples of 10
8th Grade · Math · 45 min
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Learning Objective
I can multiply multi-digit whole numbers by multiples of 10 using strategies based on place value.
- 1
One way to solve 3 × 60 is to think of it as 60 + 60 + 60, which equals 180.
- 2
Another way to solve 3 × 60 is to think of it as 3 × 6 × 10. First, multiply 3 × 6 to get 18, then multiply 18 × 10 to get 180.
- 3
To solve 50 × 7, you can multiply 5 × 7 = 35, then multiply by 10 by adding a 0 to get 350.
