Percentages Practice

What is 1/5 expressed as a percentage?

• 25%

• 15%

• 20%

• none of these

1/8 expressed as a percentage is:

• 18%

• 12.5%

• 8%

• 1.25%

Percentage means a value expressed out of (a)   ?

I scored 14 on a weekly progress test.

A week later I improved my score by 50%.

What was my new improved score?

• 15

• 19

• 21

• 50%

Your step-counter says you did 8250 steps yesterday but today you are 10% down on this.

How many steps did you walk today?

• 8240

• 8150

• 825

• 7950

• 7425

100% is...

• 0.01

• 0.1

• 1.0

Order from largest value to smallest value:

5/9, 0.375, 12%, 4/5, 83%, 1.13

• 83%, 5/9, 4/5, 12%, 1.13, 0.375

• 1.13, 83%, 4/5, 5/9, 0.375, 12%

• 5/9, 12%, 4/5, 83%, 1.13, 0.375

• its not possible to say...

25% of the year group (consisting of 56 students) biked to school.

Which calculation below would be correct to work out how many students this is?

• 25 divided by 56

• 0.25 x 56

• 25 x 56

• 56 divided by 0.25

How many bikers would this be then?

(25% of a year group consisting of 56 students, biked to school..)

(a)  

3 children in a class of 23 kids are left-handed.

Which calculation below would be correct to find what percentage this represents?

• 3 x 23 x 100

• 3 divided by 23 x 10

• 3/100 x 23

• 3/23 x 100