Adding Decimals
81.6 + 71.253
152.853
57.07 - 32.162
24.908
Billy was weighing the amount of candy he received for Halloween. If he received 7.31 kg and his brother received 4.9 kg, how much candy did they get all together?
12.21
673,638.558 What is the value of the 8?
8 thousandths
Express 1,000 as an exponent.
(Hint: the base number will be 10)
103
27 + 2.65
29.65
59 - 13.50
45.50
A weatherman was measuring the amount of rain two cities received over a week. City A received 5.54 inches while City B received 4.2 inches. How much rain did they get total?
9.74
9 86,943.87 What is the value of the second 9?
9 thousands or 9,000
Express 100 as an exponent.
(Hint: the base number will be 10)
102
36 + 21.4
57.4
81 - 4.5
76.5
Emily was checking the weight of a gold nugget and a piece of fools gold. Together they weighed 108.24 grams. If the fools gold was 30.34 grams, how much did the gold nugget weigh?
77.9
4 07.893 What is the value of the 4?
4 hundreds or 400
Rewrite 200 as an expression using 10 as a base number and an exponent.
2 x 102
21 + 11.7
32.7
91 - 58.8
32.2
Oliver ate a snack with 72.48 total calories. If the chips he ate were 36.28 calories, how many calories were in the rest of his snack?
36.2
99.5 What is the value of the 5?
5 tenths or .50
4 x 103
80.3 + 35.551
115.851
52.7 - 25.16
27.54
Dave and Megan were running a relay race. The race was 37.79 kilometers total. If Dave ran 18.29 kilometers how far did Megan run?
19.5
2 45.493 What is the value of the 9?
9 hundredths or .09
Rewrite 80,000 as an expression using 10 as a base number and an exponent.
8 x 104