Ratios
Expressions
Fractions
Decimals
Use a Formula
100
Write this ratio in simplest form: 42:28
3:2
100
What is the algebraic expression for: 50 divided by a number f
50 ÷ f
100
6/7 x 42 = ?
6/7 x 42 = 36
100
3.7 x 0.3 = ?
3.7 x 0.3 = 1.11
100
Find the circumference of a circle with a diameter of 24.
3.14 x 24 = 75.36
200
Are these ratios proportional: 7 Hours: 56 Times 3 Hours: 24 Times
No
200
What is the algebraic expression for: 4 less than a number p
p - 4
200
9 ÷ 3/8 = ?
9 ÷ 3/8 = 24
200
351 ÷ 0.9 = ?
351 ÷ 0.9 = 390
200
Find the area of a circle with a radius of 11, rounded to the nearest whole number.
3.14 x 11 x 11 = 379.94, which rounds to 380.
300
Given the input and output table below that shows how much Jake pays for toys, answer the following question: INPUT (how much paid): 6 7 8 9 OUTPUT (toys received): 18 21 24 27 If Jake pays $45, how many toys did he receive?
15 toys
300
84 x 5/6 = ?
84 x 5/6 = 70
300
1.9 x 0.005 = ?
1.9 x 0.005 = 0.0095
300
Brian's Dad is putting a circular pool in the backyard, with a diameter of 15. How many square feet will the pool be rounded to the nearest whole number?
3.14 x 7.5 x 7.5 = 176.625, which rounds to 177.
400
Based on the unit rate, which is a better buy? 2 days for $16 6 days for $42
6 days for $42
400
What is the algebraic expression for: 12 fewer hats than 4 times a number i
4i - 12
400
Ruby has 8 yards of yarn. If she cuts the yarn into 3/4-foot pieces, how many pieces will she cut?
8 ÷ 3/4 = 32
400
721 ÷ 0.0025 = ?
721 ÷ 0.0025 = 288,400
400
Find the missing variable using d = r x t. Distance = 15 Miles Time = 2 Hours Rate = ?
15 = 2 x t t = 7.5 mph
500
Katrina and her friends sent 270 tweets in the span of 45 minutes. What is the unit rate of tweets sent?
6 tweets: 1 minute
500
A diner has booths and counter seating. Each booth can seat 4 people. Another 15 people can sit at the counter. What is the algebraic expression that shows how many customers can be seated at the diner?
4b + 15
500
(2/3 - 1/3) x 7/9 = ?
(2/3 - 1/3) x 7/9 = 7/27
500
9.3 x 5.86 = ?
9.3 x 5.86 = 54.498
500
A train traveled 250 miles in 2 hours. If it traveled at the same rate of speed, how long would it take the train to travel 600 miles.
D = r x t 250 = r x 2; r = 125 mph 600 = 125 x t; t = 4.8 hours