Area + Perimeter
Ratios!
Unit Rates + Percentages
Dividing Fractions
Decimals!
100
Find the area of the triangle:
A = bh/2
A = 14 • 10/2 = 70 m^2
100
Explain why 6:4 and 18:8 are not equivalent ratios.
No, because 6 • 3 = 18 but 4 • 3 ≠ 8
100
A farm lets you pick 3 pints of raspberries for $12.00. What is the cost per pint?
12/3 = $4 per pint
100
What is 14/15 ÷ 7/5?
70/105 = 14/21 = 2/3
100
Compute 0.027 + 0.004
0.031
200
Find the perimeter!
P = 5 + 13 + 12 = 30
200
Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds.
Priya ran faster. Sample explanation: Priya ran the same distance (10 meters) in less time than Han. This means she was running faster.
200
A car travels 60 miles in 2 hours. What's its speed, in miles per hour?
60/2 = 30 miles per hour
200
What is 4/5 ÷ 9/3
12/45 = 4/15
200
Compute 0.203 + 0.1
0.303
300
Find the area:
A = l • w
A = 3 • 8 = 24cm^2
300
A cargo ship traveled 150 nautical miles in 6 hours at a constant speed. How far did the cargo ship travel in one hour?
The ship travels 25 nautical miles in 1 hour.
300
I eat 70 apples in 5 hours. I've been eating how many apples per hour?
70/5 = 14 apples per hour
300
Mai has $36 to spend on movie tickets. Each movie ticket costs $4.50. How many tickets can she buy?
36/4.50 = 8 movie tickets
300
Compute 11.3 – 9.5
1.8
400
Find the perimeter:
P = 2l + 2w = 2 • 3 + 2 • 8 = 6 + 16 = 22 cm^2
400
A slug travels 3 centimeters in 3 seconds. A snail travels 6 centimeters in 6 seconds. Which one was traveling faster?
They were traveling at the same speed, 1 centimeter per second!
400
A slice of cheese costs $0.87 per slice. How much would 18 slices cost?
0.87 • 18 = $15.66
400
How can you write 15 • 2/5 = 6 as a division problem?
6 ÷ 2/5 = 15
or
6 ÷ 15 = 2/5
400
Compute 9.3 • 2.6
24.18
500
Find the area of the paralellogram:
A = l • h = 8 • 4 = 32 cm^2
500
Tulip bulbs are on sale at store A, at 5 for $11.00, and the regular price at store B is 6 for $13. Is each store pricing tulip bulbs at the same rate?
No. At store A, 30 bulbs would cost $66, but at store B, 30 bulbs would cost $65.
500
I eat 13 grapes per hour. How many grapes had I eaten after 8 hours.
13 • 8 = 104 grapes after 8 hours
500
How can you write 6 ÷ 4/3 = 8 as a division problem?
8 ÷ 6 = 4/3
or
8 ÷ 4/3 = 6
500
Compute 0.23 • 9.23
2.1229