Estimating Sums
Flashcard
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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18 questions
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1.
FLASHCARD QUESTION
Front
What is estimating sums?
Back
Estimating sums is the process of finding an approximate total by rounding numbers before adding them.
2.
FLASHCARD QUESTION
Front
How do you round to the nearest ten?
Back
Look at the digit in the ones place. If it's 5 or more, round up. If it's 4 or less, round down.
3.
FLASHCARD QUESTION
Front
Round 634 to the nearest ten.
Back
630
4.
FLASHCARD QUESTION
Front
Round 128 to the nearest ten.
Back
130
5.
FLASHCARD QUESTION
Front
What is the estimated sum of 634 + 128 when rounded to the nearest ten?
Back
760
6.
FLASHCARD QUESTION
Front
How do you round to the nearest hundred?
Back
Look at the digit in the tens place. If it's 5 or more, round up. If it's 4 or less, round down.
7.
FLASHCARD QUESTION
Front
Round 186 to the nearest hundred.
Back
200
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