Decimal Addition
10.3 + 16.9
27.2
65.3 - 45.72
19.58
3.25 x 4.5
14.625
412 ÷ 8
51.5
What is 6.04 rounded to the nearest whole number?
6
12.56 + 92.2
104.76
32.5 - 12.62
19.88
5.6 x 9.3
52.08
162 ÷ 5
32.4
What is 1.0854 rounded to the nearest thousandth?
1.085
What is the rule for the decimal in addition?
The decimal must be lined up.
What is the rule for the decimal in subtraction?
The decimal must be lined up.
What is the rule for the decimal in multiplication?
The number of place values after the decimal in the product must be the same as the number of place values after each decimal in the factors.
What is the rule for the decimal in division?
The divisor can't have a decimal - it must be moved over.
The decimal must be moved the same number in the divisor and dividend.
The decimal floats straight up (bubble!) to the answer.
What is 3.739 rounded to the nearest hundredth?
3.74
32.14 + 123.35
155.49
132.6 - 97.89
34.71
16 x 5.3
84.8
934 ÷ 8
116.75
What is 5.315 rounded to the nearest tenth?
5.3
A chef bought 3.09 pounds of white rice and 3.58 pounds of brown rice. How much rice did the chef buy in all?
6.67 pounds
A carpenter bought a piece of wood that was 9.06 meters long. Then she sawed 6.75 meters off the end. How long is the piece of wood now?
2.31 meters
A photography shop can develop 8.3 photographs per hour. How many photographs can it develop in 8 hours?
66.4
A chocolate factory made 798 pounds of milk chocolate in 8 days. How much milk chocolate, on average, did the factory make per day?
99.75 pounds
What is 5.8 rounded to the nearest whole number?
6