True/False
When adding and subtracting decimals, you always line up the decimal point.
True
3.14 + 5.12 =
8.26
20.8 - 7.34=
13.46
5 x 4.21=
21.05
5/ 10
1/2
When adding and subtracting decimals, you put the number with the greatest value on the bottom.
False
14.73+15.1=
29.83
34.63 - 27.9=
6.73
8.76 x 2.9=
25.404
12/ 20
3 / 5
When multiplying decimals, the amount of decimal places in your factors determines how many decimal places will be in your product.
True
3 + 4.55=
7.55
15- 0.48=
14.52
10.38 x 6.4=
66.432
10 / 25
2 / 5
When adding and subtracting decimals, you always put the number with more digits on top.
False
17.82 + 3.66=
21.48
6 - 2.33=
3.67
12.96 x 3=
38.88
26/28
13/14
When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put the same number of decimal places in your answer.
False! That's for multiplying!
11.7 + 2.81=
14.51
1.09 - 0.87=
0.22
32.9 x 1.2=
39.48
1,000,000 / 5,000,000
1 / 5