Estimation
Flashcard
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is estimation?
Back
Estimation is finding something close to the correct answer.
2.
FLASHCARD QUESTION
Front
Estimate the sum of 209 + 411.
Back
600
3.
FLASHCARD QUESTION
Front
Estimate 27 + 78.
Back
110
4.
FLASHCARD QUESTION
Front
Estimate 24 + 67.
Back
90
5.
FLASHCARD QUESTION
Front
What is the estimated sum of 69 + 12?
Back
80 (70 + 10).
6.
FLASHCARD QUESTION
Front
When estimating, what do we do?
Back
We round numbers to make them easier to add or subtract.
7.
FLASHCARD QUESTION
Front
What is the estimated sum of 50 + 30?
Back
80
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