Exercises: Mass and Capacity: Conversions and Applications

Work through each section in order. Always convert to a common unit before adding or comparing quantities.

Grade 7·20 problems·~26 min·Uganda NCDC Primary 7 Mathematics·lesson·measurement-04

Work through problems with immediate feedback

Recall / Warm-Up

These problems review skills you already know.

Multiplying a number by 1000 shifts its decimal point how many places, and in which direction?

Three places to the right (the number gets bigger)

Three places to the left (the number gets smaller)

Two places to the right (the number gets bigger)

How many millilitres are in 1 litre?

A rectangular tank measures 10 cm by 10 cm by 10 cm. Find its volume, to review before we look at capacity.

Convert 3.5 kg to grams.

350 g -- multiply by 100

3.5 g -- keep the number unchanged

3500 g -- multiply by 1000, since kilograms convert to the smaller gram unit

Convert 4200 g to kilograms.

Convert 2.5 litres to millilitres.

Convert 350 ml to litres.

35 l -- divide by 10

0.35 l -- divide by 1000, since 1000 ml = 1 litre

3.5 l -- divide by 100

Convert 2 tonnes to kilograms.

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