True/False
Adding Decimals
Subtracting Decimals
Adding Decimals/Subtracting Decimals Difficult
Word Problems
100
When adding and subtracting decimals, you always include the decimals.
True
100
3.14 + 5.12 =
8.26
100
1.23-1.11=
0.12
100
1.11+2.22+5.55=
8.88
100
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
200
When adding and subtracting decimals, you always put the longer number on top.
False
200
14.73+15.1=
29.83
200
5.23-1.11=
4.12
200
0.545678+0.22123=
0.766908
200
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
300
When adding and subtracting decimals, you ignore the decimal points.
False
300
3 + 4.55=
7.55
300
5.55-4.44=
1.11
300
5.3678 - 1.259856
4.107944
300
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
400
When adding and subtracting decimals you put the bigger number on top.
True
400
17.82 + 3.66=
21.48
400
0.55-0.44=
0.11 or 11
400
2.22-3.33=
-1.11
400
!!!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
500
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!
500
11.7 + 2.81=
14.51
500
5.65-2.33=
3.32
500
-2.55+6.42=
8.87
500
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