Addition
0.95 + 5.09
6.04
5.68 - 4.23
1.45
8 x 102
800
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 1.8
7.56
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
The number of people at a school’s basketball games is 2,875 per game. How many people attended the team’s 12 home games this season?
34,500 people
1.23 + 8.05
9.28
12 - 4.61
7.39
0.07 x 0.4
0.028
Leo pays $4.60 for every movie he rents. He rents 12 movies. How much does he pay for movies?
$ 55.20
18.5 + 2.05
20.55
62 - 48.6
13.4
0.23 x 105
23000
A rectangular poster in a stadium measures 13.25 meters on two sides and 9.5 meters on two sides. What is the perimeter of the perimeter?
45.5 meters