Circles
Areas of Figures
Rates and Unit rates
Proportional Relationships
Unit rate and Cost
100
What formula do we use to find the circumference of a circle?
C = 2πr or C = πd
100
Find the area of a rectangle with a length of 8 cm and width of 5 cm.
8×5 = 40 cm²
100
A car travels 120 miles in 3 hours. What is the rate in miles per hour?
120 ÷ 3 = 40 mph
100
A ratio that is equivalent to 2:3.
4:6
100
Athan rented a canoe for 4 hours and paid $48. How much does one hour cost?
$12/hour
200
What formula do we use to find the area of a circle?
A = πr²
200
Find the area of the figure below.
433.3125ft^2
200
Jackson swims 3 miles in ½ hour every day. How many miles in one hour?
6 miles
200
If 4 notebooks cost $10, how much do 10 notebooks cost?
10 ÷ 4 × 10 = $25
200
Johnathan bought three games for $120. How much does one game cost?
$40 each
300
Find the circumference of a circle with a radius of 5 cm.
2π(5) = 31.4 cm
300
Find the area of a square with a length of 10 in. and a width of 6 in.
10×6 = 60 in²
300
Joelizany hiked 12 miles in 10 hours. How many miles in one hour?
1.2 miles/hour
300
Aliviah needs ⅔ cup of condensed milk for ¼ recipe. How much for a full recipe?
(⅔)×4 = 2⅔ cups
300
Janeilys bought 8 notebooks for $12. How much do 16 notebooks cost?
$24
400
Find the area of a circle with a diameter of 10 in.
π(5)² = 78.5 in²
400
A composite figure is made of a square with side length 8 cm and two semicircles on top (one on each side). Find the total area of the figure.
Two semicircles = one full circle → total area = 64 + 50.24 = 114.24 cm²
400
A plane flies 600 miles in 2.5 hours. What is the rate?
600 ÷ 2.5 = 240 mph
400
A model car is built at a scale of 1 in : 6 ft. If the real car is 12 ft long, how long is the model?
12 ÷ 6 = 2 in
400
5 pounds of apples cost $15. How much per pound?
$3/pound
500
Find the area and circumference of a circle with a radius of 7 m.
A = 153.9 m², C = 43.96 m
500
A composite figure includes a rectangle (8×4) and a semicircle with radius 4. Find the total area.
32 + ½π(4)² = 57.1 units²
500
A runner completes a 5K (3.1 miles) in 25 minutes. What is the speed in miles per hour?
3.1 ÷ (25/60) = 7.44 mph
500
If a recipe uses 3 cups of flour for 12 cookies, how much for 20 cookies?
3×(20/12) = 5 cups
500
A 12-pack of soda costs $9. How much would a 20-pack cost at the same rate?
9 ÷ 12 × 20 = $15