True/False
When adding and subtracting decimals, you always include the decimals.
True
3.14 + 5.12 =
8.26
1.23 - 1.11 =
0.12
1.11 x 2.22 =
2.2642
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
5.23 - 1.11 =
4.12
0.54 x 0.22 =
0.1188
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
5.55 - 4.44 =
1.11
0.22 x 0.44 =
0.0968
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
0.55 - 0.44 =
0.11
2.22 x 3.33 =
7.3926
!!!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
5.65 - 2.33 =
3.32
2.55 x 6.42 =
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