True/False
When adding and subtracting decimals, you line up the decimal and drop the decimal.
True
26.43 + 7.19
33.62
1.23-1.11=
0.12
.24 x .7
.168
4,368 divided by 24
182
When dividing decimals, if there is a decimal in the dividend it ALWAYS just goes straight up into the quotient (answer)
False
8.009 + 6.5
14.509
5.23-0.1=
5.13
0.85 x 0.02
.017
1,275 divided by 40
31.875
When adding and subtracting decimals, you ignore the decimal points.
False
0.79 +0.45
1.24
27.81-5.62
22.19
.22 x .44=
.0968
18.4 divided by 16
1.15
When subtracting decimals you put the bigger number on top.
True
17.82 + 3.66=
21.48
8.613 -7.258
1.355
6.32 x 3
18.96
8.64 divided by 0.24
36
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!
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.
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