Metric Measuring Guessing

Which units would you use to measure the length of an ant?

• metres

• kilometres

• centimetres

• millimetres

Which device would you use to measure a paperclip?

• Ruler

• Trundle wheel

• Odometer

Which units would you use to measure the length of your bedroom?

• kilometres

• metres

• centimetres

• millimetres

Which units would you use to measure the length of a book?

• metres

• centimetres

• kilometres

• millimetres

Which units would you use to measure the length of a discus throw?

• millimetres

• centimetres

• metres

• kilometres

Which units would you use to measure the distance of your house to school?

• metres

• kilometres

• millimetres

• centimetres

Which units would you use to measure the length of a mobile phone?

• metres

• kilometres

• centimetres

• millimetres

The prefix "milli" means 1,000. So a millimeter is:

• 10 times smaller as a meter

• 1,000 times bigger than a meter

• the same size as a meter

• 1,000 times smaller than a meter

What is the length of the red line?

• 68 mm

• 6.8 mm

• 7 mm

• 7.2 mm

What is the length of the line?

• 3.0 mm

• 3.0 cm

• 2.5 cm

• 2.5 mm