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Estimating 3 digit numbers

Last updated about 6 years ago

7 questions

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Question 1

1.

Add 333+628, then check for reasonableness.

Question 2

2.

Add 159+841, then check for reasonableness.

Question 3

3.

Explain why we round up 350 to 400 instead of rounding down.

Question 4

4.

Solve 436-276, then check for reasonableness.

Question 5

5.

Solve 525-188, then check for reasonableness.

Question 6

6.

What do you like and dislike about the video above? Was it helpful or not?

Question 7

7.

What did you like and dislike about the video above? Do you think you are ready to create a video about how to estimate sums and differences?