Addition/Subtraction
0.95 + 5.09 =
6.04
An electronic book has a file size of 2.4 megabytes. What is the file size in megabytes of 16 of these electronic books?
38.4
8 x 6.5 =
52
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
Gwen had a board that was 6.48 meters long. She cut the board into 9 pieces of equal length. What was the length of each piece in meters?
0.72
4.2 x 1.8 =
7.56
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
43.03 - 6.91 =
36.12
Patricia has 13.92 yards of string. She is going to cut the string into 24 equal pieces. What is the length of each piece of string Patricia will cut?
0.58
3.7 x 0.8 =
2.96
156 / 5 =
31.2
What digit do you need to add to the dividend (after the decimal point) when there are no more numbers to bring down?
0
67.75 - 8.1 =
59.65
Denise spent $3.45 on snacks every day for 11 days. What is the amount of money Denise spent on these snacks?
37.95
2.4 x 8.35
20.04
122 / 5
24.4
When multiplying by a decimal, which way do you move the decimal point when placing it in your answer?
To the left
549.67+38.632
588.302
Mr. Nolan paid $36.95 for each adult shirt and $23.95 for each youth shirt he bought. Mr. Nolan bought 2 adult shirts and 5 youth shirts. How much money did he spend on these shirts
193.65
.23 x 6.7
1.541
833/ 35
23.8
What's the rule when you have a decimal in a divisor?
Make the divisor a whole number.