Estimating Sums
Flashcard
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
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15 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 to a specific place value before adding them.
2.
FLASHCARD QUESTION
Front
How do you estimate the sum of 25,219 + 4,876?
Back
Round 25,219 to 25,000 and 4,876 to 5,000. The estimated sum is 25,000 + 5,000 = 30,000.
3.
FLASHCARD QUESTION
Front
What is the nearest thousand for 367,246 + 84,651?
Back
Round 367,246 to 367,000 and 84,651 to 85,000. The estimated sum is 367,000 + 85,000 = 452,000.
4.
FLASHCARD QUESTION
Front
Estimate the sum of 567 + 962 by rounding to the nearest hundred.
Back
Round 567 to 600 and 962 to 1,000. The estimated sum is 600 + 1,000 = 1,600.
5.
FLASHCARD QUESTION
Front
How do you estimate the sum of 437 + 37?
Back
Round 437 to 440 and 37 to 40. The estimated sum is 440 + 40 = 480.
6.
FLASHCARD QUESTION
Front
What is the estimated sum of 2,764 + 4,851?
Back
Round 2,764 to 3,000 and 4,851 to 5,000. The estimated sum is 3,000 + 5,000 = 8,000.
7.
FLASHCARD QUESTION
Front
What does it mean to round to the nearest ten?
Back
Rounding to the nearest ten means adjusting a number to the closest multiple of ten.
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