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An estimate is __________________.
assigning a simpler value to a number that is close to the
a thoughtful guess or rounded amount that is close in value
Rounding is ___________________.
a thoughtful guess or rounded amount that is close in value
assigning a simpler value to a number that is close to the o
Front-end estimation is ____________________.
rounding to the greatest place value.
a thoughtful guess or rounded amount that is close in value
If the number in the place value to the right is 0, 1, 2, 3, or 4, you round down.
False
True
If the number in the place value to the right is 5, 6, 7, 8, or 9, you round up.
True
False
Round 1,621 to the nearest ten.
1,620
Round 1,621 to the nearest hundreds.
1,600
Round 1,621 to the nearest thousands.
2,000
What is 56,715 rounded to the nearest hundred?
60,000
56,000
57,000
56,700
Al’s family drove a total of 4,218 miles over summer vacation. What is this figure rounded to the nearest ten?
4,000
4,008
4,200
4,220
When rounded to the nearest hundred, which number would be 85,400?
85,676
85,367
85,344
85,451
How do you round 7,637 to the nearest thousand?
Since 6 < 7, round down to 7,000.
Since 3 < 5, round down to 7,600.
Since 6 > 5, round up to 8,000.
Since 6 < 5, round down to 7,000.
Al’s school bus travels 47 miles each day on its route, twice a day. Which is a reasonable estimate of the number of miles the bus travels each day?
50 miles
80 miles
75 miles
100 miles
What is 75,869 rounded to the nearest ten thousand?
80,000
How do you round 6,785 to the nearest ten?
Since 8 > 5, round up to 6,800.
Since 7 > 5, round up to 7,000.
Since 5 = 5, round up to 6,790.
Since 5 < 5, round down to 6,780.
What is 78,413 rounded to the nearest hundred?
78,400
