True/False
When adding and subtracting decimals, you always include the decimals.
True
3.14 + 5.12 =
8.26
20.8 - 7.34=
13.46
5 x 4.21=
21.05
Matthew went to the store and bought a sandwich for $4.70 cents. He paid with a ten dollar bill. How much money did he get back?
$5.30
When adding and subtracting decimals, you always put the longer number on top.
False
14.73+15.1=
29.83
34.63 - 27.9=
6.73
8.76 x 2.9=
25.404
Austin and Chase went to the store together. Austin bought a video game for $32.77 and Chase bought a soccer ball for $12.45. How much did Austin and Chase spend together?
$45.22
When adding and subtracting decimals, you ignore the decimal points.
False
3 + 4.55=
7.55
15- 0.48=
14.52
10.38 x 6.4=
66.432
Laila has 4 cats named Madison, Liam, Ciera, and Lorilei. Laila wants to buy each cat a new toy. The toy she wants to buy each cat costs $5.25. How much will Laila spend if she buys all 4 of her cats this toy?
$21.00
When adding and subtracting decimals you put the bigger number on top.
True
17.82 + 3.66=
21.48
6 - 2.33=
3.67
12.96 x 32=
414.72
!!!DAILY DOUBLE!!!
Aaliyah buys two books, one poster, and one eraser at the school book fair. Each book costs $8.50. The poster cost $3.45 and the eraser cost $0.70. How much did Aaliyah spend?
$12.65
When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put that in your answer.
False! That's for multiplying!
11.7 + 2.81=
14.51
1.09 - 0.87=
0.22
32.9 x 61.4=
2,020.06
Michael spends 139.74 minutes a day talking to his friend Matthew on the phone. How much time does Michael spend talking on the phone with Matthew in ONE week?
978.18 minutes