Intermediate Ratios

If the ratio has different units, what is the first step to do?

• Multiply by 10 to both.

• Multiply by a denominator to both.

• Change the bigger unit to smaller unit

• Change the smaller unit to bigger unit

1 cm = ? mm

• 10

• 60

• 100

• 1000

1km = ? m

• 10

• 60

• 100

• 1000

1 h = ? min

• 10

• 60

• 100

• 1000

Express the following ratio in the simplest form.

50¢ : $3

• 50 : 3

• 5 : 30

• 1 : 8

• 1 : 6

Answer explanation

50¢ : $3

= 50¢ : 300¢

= 50 : 300

= 5 : 30

= 1 : 6

Express the following ratio in the simplest form.

2 m : 4 cm

• 2 : 4

• 1 : 2

• 50 : 1

• 5 : 1

Answer explanation

2 m : 4 cm

= 200 cm : 4 cm

= 200 : 4

= 50 : 1

Express the following ratio in the simplest form.

300 g : 1 kg

• 3 : 10

• 3 : 1

• 300 : 1

• 3 : 100

Answer explanation

300 g : 1 kg

= 300 g : 1000 g

= 300 : 1000

= 3 : 10

Express the following ratio in the simplest form.

4 min : 40 s

• 4 : 40

• 1 : 10

• 10 : 1

• 6 : 1

Answer explanation

4 min : 40 s

= 240 s : 40 s

= 240 : 40

= 24 : 4

= 6 : 1

If the ratio has decimals, what is the first step to do?

• Multiply by 10 to both.

• Multiply by a denominator to both.

• Change the bigger unit to smaller unit

• Change the smaller unit to bigger unit

Express the following ratio in the simplest form.

0.01 : 0.6

• 5 : 3

• 1 : 6

• 1 : 60

Answer explanation

0.01 : 0.6

multiply 10 to both

= 0.1 : 6

multiply 10 to both

= 1 : 60