Which expression represents the first word problem? How do you know?
Possible response: C; To find the total number in a set of equal groups, you multiply.
Which expression represents the second word problem? How do you know?
Possible response: A; When you start with a number and find a different number that is more, you use addition to solve.
What is the answer when you round it to the nearest hundred?
818 rounds to 800.
Which expression represents the third word problem? How do you know?
Possible response: D; When you break a number into equal groups, you divide to solve for the unknown value.
Which expression represents the fourth word problem? How do you know?
Possible response: B; When you have a number and you take some away, you subtract to solve for the unknown value.
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