Ratio - Simplifying, Equivalence and Sharing

What is the ratio 6:9 written in its simplest form?

• 1:1.5

• 2:3

• 3:2

• 3:4.5

What is the ratio 12:27 written in its simplest form?

• 3:9

• 2:5

• 6:4

• 4:9

Which of these is equivalent to the ratio 1:5?

• 5:1

• 5:10

• 2:15

• 3:15

Which of these is equivalent to the ratio 4:7?

• 2:3.5

• 16:27

• 16:28

• 1:2

If I have some Doublemint and Juicyfruit gum in the ratio of 4:5. This means I have 4 pieces of Doublemint gum.

• True

• False

If the ratio of dolphins to sharks in the Atlantic Ocean is 5:7, which of the following are true? (Mark all that are true)

• There are 5 dolphins in the Atlantic Ocean

• I don't know how many dolphins there are in the Atlantic Ocean

• The number of dolphins in the Atlantic Ocean is a multiple of 5

• All of the above

Leonie and Mika share time on their x-box in the ratio 7:3.

If Mika was on it for 27 hours last week, how many hours was Leonie on it for?

• 21

• 70

• 9

• 63

Stan, Ollie and Mollie share babysitting duties of their younger sister Hollie in the ratio 3:2:4.

If Ollie had to look after Hollie for 4 hours, how many hours was Hollie babysat in total?

• 18 hours

• 16 hours

• 9 hours

• 24 hours

A school allocates its GCSE grades 5, 4 and 3 in the ratio 2:3:5

If 450 pupils need a grade, how many of them received a grade 5?

• 225

• 90

• 45

• 135

Milo and Poppy share 400 M&Ms in the ratio 5:3

How many M&Ms does Poppy get?

• 320

• 8

• 300

• 150