Mass is a measure of how much matter something contains. It is measured by how much something weighs. Mass can be measured in grams.

A gram is a metric measure of mass. A paper clip has a mass of about 1 gram. The abbreviation is g.

Measure the mass of objects using grams

Maths

In this unit pupils will become familiar with different weighing scales up to 1kg and with the tools to measure volume and capacity up to 1 litre. They will measure mass from zero above 1kg using whole kg and grams and measure volume from zero above 1 litre using whole litres and ml. In the future unit pupils will use knowledge of 1000 to explain common measure conversions and solve problems.

In the prior unit pupils used and compared standard units to estimate and measure length/height, mass, temperature, capacity to the nearest unit. In this unit pupils will use weighing scales up to 1kg and measuring tools for volume and capacity up to 1 litre. They will measure mass from 0 to above 1kg using whole kg and grams and measure volume from 0 to above 1 litre using whole litres and ml

Measures: mass and capacity

By reading the scale, work out the mass of this toy car.

Look at the scales. Which scale is showing the greater mass?

Looks at the scales. Which scale is showing the smaller mass?

Starting with the lightest, put these scales in the order of the mass they are showing. 

Andeep found a tomato that has a mass of 110 g. Sophia’s tomato has a mass that is 50 g more. Which scale shows the mass of Sophia’s tomato?

Andeep has a birthday cake with a mass of 540 g. He gives a slice of cake with a mass of 100 g to both Sophia and Izzy. He then eats a 60 g slice. Which scale shows the mass of cake that is left?

Look at this sequence of numbers. What number would come next? 

Match the phrase to the appropriate number to finish this sentence in different ways. One hundred is composed of { }

Look at the number line. Label the missing number.

Look at the scales. Which number is missing from where the arrow is pointing to?

Starting with the smallest mass, put these scales in order of the mass they are showing.

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