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What’s the seven-letter mnemonic for remembering the metric prefixes from kilo to milli?

What does the prefix "kilo-" mean?

• 1

• 10

• 100

• 1,000

Put the units in order of size from smallest to largest?

• centimetre

• kilometre

• decimetre

• decametre

• millimetre

Sarah needs 250 grams of flour, but her scale only measures in kilograms. How many kilograms is this?

• 0.025 kg

• 0.25 kg

• 2.5 kg

• 25 kg

Which prefix means one million times larger than the base unit?

A pool is 3.5 meters deep. How deep is it in centimetres?

• 35 cm

• 350 cm

• 3500 cm

• 0.035 cm

Which of the following is the correct order from smallest to largest?

• milli-, centi-, micro-

• nano-, micro-, milli-

• centi-, milli-, micro-

• milli-, micro-, nano-

James has a phone with 64 GB of storage. How many megabytes (MB) is this?

• 640 MB

• 6,400 MB

• 64,000 MB

• 0.064 MB

Which prefix comes after hecto- as you move toward the base unit?

• Kilo-

• Deca-

• Deci-

• Mega-

How many millimetres are in 1 meter?

• 10

• 100

• 1,000

• 10,000