Solving Simple Ratio Problems (Ex. 1)

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1. Question 1

   Multiple choice

   A recipe uses flour and butter in ratio 3:1. If you use 12 cups of flour, how much butter do you need?

2. Question 2

   Multiple choice

   A map has a scale of 1:100. A distance of 5 cm on the map represents how many cm in real life?

3. Question 3

   Multiple choice

   Orange squash is mixed in ratio 1:4 (squash:water). To make 25 ml, how much squash is needed?

4. Question 4

   Sequence

   Recipe scaled up: 1 batch uses 2 eggs, 2 batches use 4, 3 batches use 6, 4 batches use ___, 5 batches use 10. What is the missing value?

5. Question 5

   True or false

   If a recipe serves 4 people using 200g of rice, then for 8 people you need 400g of rice.

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)

• Equations with an Unknown Symbol (Ex. 2)