True/False
When adding and subtracting decimals, you always include the decimals.
True
26.43 + 7.19
33.62
1.23-1.11=
0.12
DAILY DOUBLE
.24 x .7
.168
Precious went to the store and bought a sandwich for $4.70 cents. She paid with a ten dollar bill. How much money did she get back?
$5.30
When adding and subtracting decimals, you always put the longer number on top.
False
DAILY DOUBLE
8.009 + 6.5
14.509
5.23-0.1=
5.13
0.85 x 0.02
.017
Wake and Chase went to the store together. Wake bought a video game for $32.77 and Chase bought a soccer ball for $12.45. How much did Wake and Chase spend together?
$45.22
When adding and subtracting decimals, you ignore the decimal points.
False
0.79 +0.45
1.24
27.81-5.62
22.19
DAILY DOUBLE
.22 x .44=
.0968
Lyla has 4 cats named Beatrice, Lucas, Drew, and Jenny. Lyla wants to buy each cat a new toy. The toy she wants to buy each cat costs $5.25. How much will Lyla spend if she buys all 4 of her cats this toy?
$21.00
When subtracting decimals you put the bigger number on top.
True
17.82 + 3.66=
21.48
8.613 -7.258
1.355
DAILY DOUBLE
.42 x .2 in fraction form
84/ 1000
Daphne 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 Daphne spend?
21.15
When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put that in your answer.
DON'T LET IT TRIP YOU UP, DON'T LET IT TRIP YOU UP! :)
False! That's for multiplying!
111.7 + 102.81=
214.51
105.65-62.33=
43.32
What is the trick when multiplying decimals by powers of 10? What is the trick when dividing by powers of 10?
Move the decimal to the right when multiplying. Move the decimal to the left when dividing.
DAILY DOUBLE
Rowan spends 139.74 minutes a day talking to his friend Elijah on the phone. How much time does Rowan spend talking on the phone with Elijah in ONE week?
978.18 minutes