Numbers EXERCISES
Ratio
1. To make lemonade, I need to mix 1 part lemon juice to 4 parts water. If I use 50 ml of lemon juice, how much water do I need to add?
2. There are 6 pink ice creams and 1 blue one. What is the ratio of blue to pink ice creams?
3. The ratio between green cars and orange cars is 3 : 2. If there were 4 orange cars, how many green cars would there be?
4. For every 10 marbles, 4 are green. If we were to have 30 marbles, how many of them would be green?
5. The ratio of red bulbs to yellow bulbs in a string of Christmas lights is 1 : 6. There are total of 5 red bulbs in the string. How many yellow bulbs are there?
6. What is the ratio of oranges to apples in this picture?
7. Caden is making chocolate icing. He needs to mix 5 parts chocolate with 2 parts butter. He has 100 g of melted chocolate. How much butter does he need?
8. Sophia likes to eat 4 blueberries with every 7 raspberries. If she were to have 20 blueberries, how many raspberries would she need?
9. This diagram represents the area of a park that is water (coloured blue) and the area that is grass (green). What is the ratio of water to grass?
10. Dylan has 8 basketballs and Ava has 12 footballs. Which statement is true?
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