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Checking Multiplication
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Q 1
: The best way to check multiplication is by repeated addition.
always
never
not always
Q 2
: There are different ways to check multiplication. Choose the correct answer.
Estimation lets you know if your answer is "about right"
all the other answers
changing the order of factors and multiplying again
Repeated addition which can be tedious large numbers
Q 3
: To check multiplication by estimation, round each factor to its greatest place value and then multiply. First round each factor DOWN and multiply. Then round each factor UP and multiply. The original product should fall between the two estimated products.
True
False
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Question 5: This question is available to subscribers only!
Question 6: This question is available to subscribers only!
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