Multiply by Multiples of 10 and 100

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Presentation transcript:

Multiply by Multiples of 10 and 100

Multiplying by 10

Multiplying by 100

Multiplying by Multiples of 10

Multiplying by Multiples of 100

Use Base 10 blocks to solve the problem A Bombardier Challenger airplane holds 22 passengers. About how many passengers will 4 of these planes hold? Estimate to solve this problem.

Story Problem Solution A Bombardier Challenger airplane holds 22 passengers. About how many passengers will 4 of these planes hold? Estimate to solve this problem. 22 is close to 20 4 X 2 = 8 so 4 X 20 = 80

Use Base 10 blocks to solve the problem Stephen wants to buy 4 DVD’s. A DVD costs $28. About how much would 4 DVD’s cost?

Story Problem Solution Stephen wants to buy 4 DVD’s. A DVD costs $28. About how much would 4 DVD’s cost? 4 X 3 = 12 4 X 30 = 120

Use Base 10 blocks to solve the problem There are 157 pages in each book. Sharon read 3 books. About how many pages did Sharon read?

Story Problem Solution There are 157 pages in each book. Sharon read 3 books. About how many pages did Sharon read? 157 is close to 200 3 X 2 = 6 3 X 200 = 600