Describing exchange rates with ratio

12 questions

1. Complete the sentence: When using a ratio table you find the ___ relationship.
2. What number is represented by the question mark in this bar model?
3. A bunch of flowers contains red and yellow flowers in the ratio 3 : 5. There are 10 yellow flowers. How many red flowers are in the bunch?
4. The ratio of flour to butter to sugar in a cookie recipe is 3 : 2 : 1. You use 180g of butter. How much flour is used?
5. Andeep, Sam and Sofia share some sweets in the ratio 3 : 8 : 5. Sam gets 24 sweets, how many does Sofia get?
6. The lengths of the sides of a triangle are split in the ratio 3 : 8 : 7. The shortest side is 3.6 cm, what is the length of the longest side?
7. Complete the sentence: The multiplicative relationship between 2 currencies is called the ___.
8. Select the graphs that show a multiplicative relationship.
9. Use the graph to convert £55 into dollars ($).
10. Use the graph to convert $50 into pounds (£).
11. £1 : $1.92. Use this exchange rate to convert £250 into dollars ($).
12. £1 : $1.92. Use this exchange rate to convert $672 into dollars (£).

License: OGL