Using Ratio Tables with several topics

• Mathematics
• Upper Secondary (Key Stage 4)
• GCSE

Using Ratio Tables for Exam Qs

1) Simplify to find a and b

2) Simplify

3) Write 73500 in standard form  

4) Calculate the value of X

√​24​​​=a√​b​​​

​√​3​​​​​√​12​​​​​

If a recipe needs 150g of flour to make 12 biscuits, how much flour is needed to make 20 biscuits?

1. 300g
2. 180g
3. 250g
4. 200g

In a bag of candies, the ratio of red candies to blue candies is 2:5. If there are 70 blue candies, how many red candies are there?

1. 42 red candies
2. 28 red candies
3. 14 red candies
4. 35 red candies

A car travels 240 miles in 4 hours. What is the speed of the car in miles per hour?

1. 80 mph
2. 120 mph
3. 40 mph
4. 60 mph

If 5 workers can complete a task in 6 hours, how many workers are needed to complete the same task in 3 hours?

1. 12 workers
2. 3 workers
3. 10 workers
4. 8 workers

If the exchange rate is 1 USD = 0.85 EUR, how many euros can you get for 100 USD?

1. 75 euros
2. 85 euros
3. 90 euros
4. 100 euros

Plenary