Addition
0.95 + 5.09
6.04
5.68 - 4.23
1.45
.8 x 6.5
5.2
13.8 / 3
4.6
For which 2 operations (addition, subtraction, multiplication, division) do you need to line up the decimal points?
Addition and Subtraction
11.27 + 9.4
20.67
67.75 - 8.1
59.65
4.2 x 1.87
7.854
33.6 / 5
6.72
For which operations (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?
Multiplication
9.6 + 0.18
9.78
43.03 - 6.91
36.12
3.7 x 0.8
2.96
156 / 5
31.2
What number do you need to add to the dividend (after the decimal point) when there are no more numbers to bring down?
0
1.23 + 8
9.23
12 - 4.61
7.39
0.098 X 2.5
0.245
28.7 / 0.7
41
When dividing decimals (or whole numbers) does the order matter?
Yes
745.345 + 23.543
768.888
620 - 48.6
571.4
.236 x 6.7
1.5812
12 / .6
20
When dividing, what do you do when the divisor is a decimal?
Multiply by a power of ten to make it a whole number.