Estimate Sums & Differences
Flashcard
•
Mathematics
•
3rd - 4th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Estimate to the nearest ten: 312 + 456
Back
770
2.
FLASHCARD QUESTION
Front
Estimate to the nearest ten: 758 - 247
Back
510
3.
FLASHCARD QUESTION
Front
Estimate the sum of 625 and 291 to the nearest ten.
Back
920
4.
FLASHCARD QUESTION
Front
Keaton scored 427 points in the first round of a video game. He scored 189 points in the second round. About how many points did Keaton score altogether?
Back
600 or 620
5.
FLASHCARD QUESTION
Front
Estimate to the nearest hundred: 460 + 382
Back
900
6.
FLASHCARD QUESTION
Front
What is estimation in math?
Back
Estimation is finding a number that is close enough to the right answer, often used for quick calculations.
7.
FLASHCARD QUESTION
Front
Why do we round numbers?
Back
We round numbers to make them easier to work with, especially for estimation.
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.A.3
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