Proportional Reasoning in Simple Contexts (Ex. 3)

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1. Question 1

   Multiple choice

   A car uses 7 litres of fuel per 100 km. How many litres for 300 km?

2. Question 2

   Multiple choice

   A machine makes 12 parts per hour. How many parts in 4 hours?

3. Question 3

   Multiple choice

   5 workers build a wall in 6 days. Working at the same rate, how long would 1 worker take?

4. Question 4

   Sequence

   Fuel used at 7 litres per 100 km: 100km=7, 200km=14, 300km=21, 400km=___, 500km=35. What is the missing value?

5. Question 5

   True or false

   If 8 workers take 3 days, then 4 workers take 6 days to do the same job.

More exercises in this module

• Equations with an Unknown Symbol (Ex. 1)

• Understanding Ratio Notation (Ex. 3)

• Substituting Values into Simple Formulas (Ex. 3)

• Substituting Values into Simple Formulas (Ex. 2)

• Proportional Relationships in Scaling (Ex. 2)

• Solving Simple Ratio Problems (Ex. 1)