Mathematics, 20.05.2021 20:20 emmmmmmaaaa
Carl wants to find the product 30×56.
Which of the following best explains how he can find the product mentally?
A.
He knows that 30÷5 is 6. He then multiplies 6 by 6 to get 36.
B.
He knows that 30×66is 30. He then subtracts 1 from 30 to get 29.
C.
He knows that 3×6=18. He then adds 18 and 5 to get 23.
D.
He knows that 30×16is 5. He then multiplies 5 by 5 to get 25.
Answers: 3
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Carl wants to find the product 30×56.
Which of the following best explains how he can find the prod...
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