Ratios
This is the ratio of red marbles to blue marbles if there are 6 red marbles and 3 blue marbles in simplest form.
What is 2:1?
50% of 40 is this number.
What is 20?
If 2 pencils cost $1, then 6 pencils cost this much.
What is $3?
12 notebooks cost $24. This is the cost per notebook.
What is $2 per notebook?
If a pizza is cut into 8 slices and 3 slices have pepperoni, this is the ratio of pepperoni slices to non-pepperoni slices.
What is 3:5?
A jacket costs $80. If it’s on sale for 20% off, this is the amount of the discount.
What is $16?
A recipe uses 2 cups of sugar for every 5 cups of flour. How much sugar is needed if you use 15 cups of flour?
What is 6 cups of sugar?
A runner travels 9 km in 45 minutes. This is the speed in km per minute.
What is 0.2 km per minute?
A classroom has 12 girls and 8 boys. This is the ratio of girls to boys in simplest form.
What is 3:2?
A video game has 60 levels. If you complete 75% of them, this is how many levels you’ve completed.
What is 45 levels?
A car travels 180 km in 3 hours. At the same rate, how far will it travel in 7 hours?
What is 420 km?
8 movie tickets cost $68. This is the price per ticket.
What is $8.50 per ticket?
A recipe uses 3 cups of rice for every 5 cups of water. How many cups of water are needed if you use 18 cups of rice?
What is 30 cups?
A store sells a laptop for $960. If it’s on sale for 15% off, this is the amount you save.
What is $144?
A factory produces 120 toys in 4 hours. At the same rate, how many toys will it produce in 9 hours?
What is 270 toys?
A machine produces 540 bottles in 12 hours. This is the number of bottles produced per hour.
What is 45 bottles per hour?
A paint mix uses 2 parts blue to 5 parts yellow. How many parts yellow do you need for 8 parts blue?
What is 20 parts yellow?
You scored 72% on a test with 50 questions. How many questions did you get correct?
What is 36?
A map has a scale of 1 cm : 50 km. If two cities are 7 cm apart on the map, the actual distance is this.
What is 350 km?
Store A sells 5 granola bars for $4.00.
Store B sells 8 granola bars for $6.40.
This store has the better price per bar.
What is neither — they are the same price ($0.80 per bar)?