Middle school - Proportions and ratio

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• Secondary Education

Middle school - Proportions and ratio

If 8 litres of paint costs £32, what is the rate?

1. £3 per litre
2. £4 per litre
3. £5 per litre
4. £6 per litre

A car travels 240 miles in 4 hours. What is the unit rate?

1. 50 miles per hour
2. 70 miles per hour
3. 80 miles per hour
4. 60 miles per hour

Which is a unit rate: 300 calories per meal?

1. No, it's not a unit rate.
2. No, it's a total rate.
3. Yes, it's a ratio.
4. Yes, it is a unit rate.

If 5 apples cost £3, what is the rate?

1. £0.50 per apple
2. £0.40 per apple
3. £0.70 per apple
4. £0.60 per apple

Which table shows equivalent ratios?

1. 1:2, 2:5, 3:8
2. 1:2, 2:4, 3:6

If the ratio is 7:14, what is equivalent?

1. 3:4
2. 2:1
3. 1:2
4. 14:28

Which graph represents equivalent ratios?

1. Single point only
2. Curved line
3. Multiple points on a straight line

How many centimetres are in a metre?

1. 1000 centimetres
2. 10 centimetres
3. 100 centimetres
4. 50 centimetres

Convert 100 grams to kilograms.

1. 1000 kilograms
2. 1 kilogram
3. 10 kilograms
4. 0.1 kilograms

How many pints are in a gallon?

1. 10 pints
2. 4 pints
3. 8 pints
4. 6 pints

Convert 5 kilometres to metres.

1. 50 metres
2. 5 metres
3. 500 metres
4. 5000 metres

How many inches are in a foot?

1. 10 inches
2. 11 inches
3. 14 inches
4. 12 inches

What is the proportion of 5:10?

1. 5:15
2. 2:1
3. 10:5
4. 1:2

Which is equivalent to 1/2?

1. 3/4
2. 1/3
3. 2/4
4. 4/5

Which graph represents proportionality?

1. Straight line through the origin
2. Random scatter plot
3. Linear function
4. Curved line

What is the constant of proportionality?

1. Value of k in y = kx
2. Ratio of y to x
3. Difference between x and y
4. Sum of x and y

In a proportional relationship, as x increases,

1. y decreases if k is negative
2. x affects y randomly
3. y remains constant
4. y also increases

Which equation represents proportionality?

1. y = x^2
2. y = x + b
3. k = y/x
4. y = kx

What is proportionality?

1. Relationship between two quantities
2. Constant ratio between variables
3. Always results in a straight line
4. Only applies to whole numbers

What is the proportion of 3 out of 12?

1. 1:5
2. 1:4
3. 1:2
4. 1:3

If a recipe needs 3 cups of flour for 6 cookies, how much for 12?

1. 6 cups of flour
2. 5 cups of flour
3. 3 cups of flour
4. 4 cups of flour

If 5 apples cost £2, what is the rate?

1. £0.60 per apple
2. £0.30 per apple
3. £0.50 per apple
4. £0.40 per apple

What is the unit rate of 60 miles in 3 hours?

1. 25 miles per hour
2. 20 miles per hour
3. 30 miles per hour
4. 15 miles per hour

What is the proportion of 3:5?

1. 6:10
2. 3 parts to 5 parts
3. 1:2
4. 5 parts to 3 parts

Which of these represents a constant proportion?

1. y = x + 3
2. y = 3 - x
3. y = 3x
4. y = x^2

If a recipe needs 2 cups of flour for 4 servings, how much for 1 serving?

1. 2 cups of flour
2. 0.25 cups of flour
3. 1 cup of flour
4. 0.5 cups of flour

What is 3:4 in terms of proportions?

1. 1 part to 7 parts
2. 3 parts to 4 parts
3. 4 parts to 3 parts
4. 2 parts to 5 parts

If 5 apples cost £2.50, what's the rate?

1. £0.50 per apple
2. £1.00 per apple
3. £2.00 per apple
4. £0.25 per apple

What is the unit rate of 60 miles in 2 hours?

1. 50 miles per hour
2. 30 miles per hour
3. 40 miles per hour
4. 20 miles per hour

If 5 apples cost £2, how much for 15?

1. £10
2. £4
3. £6
4. £8

What is 60 km/h in metres per minute?

1. 60 metres per minute
2. 1000 metres per minute
3. 1500 metres per minute
4. 600 metres per minute

If a recipe calls for 2:3 sugar to flour, what is the ratio?

1. 3:2
2. 1:1
3. 2:3
4. 4:6

What is the ratio of 4 to 8?

1. 8 to 4
2. 4 to 12
3. 2 to 1
4. 1 to 2