Metric Masters
1 meter = ___ centimeters.
100
What is the value of the digit 7 in 372,418?
70,000
Round 6,742 to the nearest hundred.
6,700
23,412 + 15,263
38,675
A school collected 12,450 cans in September and 15,325 cans in October. How many cans did the school collect altogether?
12,450 + 15,325 = 27,775 cans
6 meters = ___ centimeters.
600
Write in standard form: 60,000+ 400 + 20
60,420
Round 38,650 to the nearest thousand.
39,000
86,754 − 42,321
44,433
A library had 36,250 books. It donated 8,675 books to local schools. How many books remain?
36,250 − 8,675 = 27,575 books
Complete a conversion table for 2, 5, and 9 meters. Express each measurement in centimeters.
200
500
900
Compare using >, <, or =: 635,420 ___ 653,420.
< less than
Round 672,341 to the nearest hundred thousand.
700,000
246,785 + 132,648
379,433
A farmer sells 425,680 pounds of fruit. Of that amount, 182,450 pounds are apples and 121,375 pounds are pears. The rest are peaches. How many pounds of peaches were sold?
425,680 − (182,450 + 121,375) = 121,855 pounds of peaches
16 kilograms = ___ grams. Explain how you know.
16,000
Compare both pairs: 32,017 ___ 3,217 and 200,065 ___ 206,005.
> greater than
< less than
Round 386,752 to the nearest thousand and nearest hundred.
Thousand : 387,000
Hundred: 386,800
853,621 − 427,358
426,263
A warehouse has 582,340 supplies. It ships 241,780 to one district and 153,260 to another. Estimate how many remain by rounding each number to the nearest ten thousand.
580,000 − 240,000 − 150,000 = 190,000 supplies
A student says 13 meters equals 130 centimeters. Is the student correct? Explain and give the correct conversion.
13x 100=1,300
In 55,320, how many times as much is the value of the first 5 as the value of the second 5? Explain.
10 times
Round 748,629 to the nearest hundred thousand, thousand, and hundred.
hundred thousand: 700,000
thousand: 749,000
hundred: 748,600
700,004 − 286,759
413,245
For the warehouse problem above, find the exact number remaining. Write an equation using s for the unknown. Explain whether your answer is reasonable using your estimate
s = 582,340 − (241,780 + 153,260) = 187,300 supplies. The answer is reasonable because 187,300 is close to the estimate of 190,000.