Rounding
Round 7.204 to the nearest one
7
3.25 + 6.532
9.882
502 tenths - 499 tenths
3 tenths or 0.3
Kelly finishes a race in 19.2 seconds. Riley finishes the same race in 18.87 seconds. How many more seconds does it take Kelly to finish?
19.2 - 18.87 = 0.33 seconds.
Round 3.409 to the nearest hundredth.
3.41
2.9 + 6.6
9.5
8.24 - 3.95
4.29
Julie buys 1 and three-fourths pounds of apples and 2.5 pounds of pears. How much fruit did she buy in all?
4.25 pounds of fruits
Round 19.039 to the nearest tenth.
19.0
74 hundredths + 205 thousandths
0.945
945 hundredths - 58 tenths
3.65
A caterpillar is 5.8 centimeters. It grows 0.2 cm a week. How long will the caterpillar be after four weeks?
5.8 + (0.2+0.2+0.2+0.2) = 6.6 centimeters.
Round 43.989 to the nearest tenth.
44
4.68 + 8.79
13.47
3.87 + a = 6.12. Find a
a = 2.25
Beau has $25 to spend on dog toys. He buys one toy for $8.79 and one for $12.55. How much money does he have left over?
$3.66
Round both of these numbers to the nearest hundredth, and add them together: 12.099 and 8.135
12.1+8.14 = 20.24
60,942 thousandths + 4,285 hundredths
103.792
9.302 - 4.983
4.374
Fred wants to run 30 miles by the end of Friday. On Monday he runs 7.3 miles, Tuesday he runs 4.9 miles, Wednesday he runes 9.5 miles, and Thursday he runs 3.4 miles. How many miles does he need to run on Friday?
He needs to run 4.9 miles on Friday.