G7 math march revsion

Express 0.02 as percentage

• 20%

• 2%

• 50%

• 10%

5/10 is the same as 1/2 and 50%

• True

• False

David says that 1/4 is greater than 40%.Is he right?

• yes

• no

How would you say 100% in other words?

• one whole

• one quarter

• three quarters

• one half

In a class of 30 children.60% are girls.How many girls are in the class?

• 12

• 19

• 18

• 9

A mixture contains 8 L of water and 42 L of milk. What is the percentage of water in the mixture?

• 19.0%

• 16%

• 80.1%

• Not listed

There are 20 questions in a test and you get 75% correct. How many questions do you get right ?

• 15

• 12

• 10

• 5

Enter the missing numbers to create equivalent ratios. 
1 : 3
6 : 18
2 : _
4 : _

• 4 & 8
• 4 & 12
• 6 & 12
• 6 & 8

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

• 18
• 12
• 4
• 15