Adding Decimals
Add the decimals:
8.10 + 9.10
17.20
Subtract the decimals:
8.5 - 7.4
1.1
Emma bought a sandwich for $3.75, a juice for $2.45, and a cookie for $1.25. How much did she spend in total?
3.75 + 2.45 + 1.25 = $7.45
Add the decimals:
0.55 + 0.61
1.16
Add the decimals:
2.80 + 0.13
2.93
Subtract the decimals:
9.8 - 2.6
7.2
A car traveled 125.6 km on Monday and 98.75 km on Tuesday. How many kilometers did the car travel altogether?
125.6 + 98.75 = 224.35 km
Subtract the decimals:
6.800 - 0.910
5.890
Add the decimals:
0.041 + 9.300
9.341
Subtract the decimals:
5.80 - 0.76
5.04
A runner completed 4.35 km in the first lap, 3.8 km in the second lap, and then rested for a while. Later, she ran another 2.25 km. What is the total distance she ran?
4.35 + 3.8 + 2.25 = 10.4 km
Add the decimals:
6.94 + 0.816
7.756
Add the decimals:
3.546 + 8.514
12.060
Subtract the decimals:
0.760 - 0.068
0.692
Mira had $50.00. She spent $12.45 on lunch and $8.75 on books. How much money does she have left?
50.00 − (12.45 + 8.75)
= 50.00 − 21.20
= $28.80
Subtract the decimals:
112.2 - 17.89
94.31
Add the decimals:
7.290 + 6.586
13.876
Subtract the decimals:
0.390 - 0.097
0.293
A baker made 12.5 kg of dough in the morning and 9.75 kg in the afternoon. He used 18.2 kg of dough to bake bread. How much dough is left?
(12.5 + 9.75) − 18.2
= 22.25 − 18.2
= 4.05 kg
Divide the decimals:
10.001 - 2.01
7.991