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Catholic Primary School

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Week Beginning 23.03.20


We have looked at comparing and measuring length and height. We are now moving on to compare and measure weight/mass. When measuring how heavy an object is, the mathematically correct term is 'mass'. The link below provides an explanation for grown ups to help children understand. At this point children can use the terms interchangeably but it is good to be aware of the correct terminology.

In addition to the above activity (which is also provided in children's individual packs), I would like children and grown-ups to work together to find different objects around the house and compare their weight/mass. Use words like lighter, heavier, lightest, heaviest. Can you find items that weigh the same amount? Challenge: Can you find a small item that weighs more than a large item? 


If we were all together at school today, we would be using balance scales to compare weights. We would discuss objects that were heavier or lighter. We would also try to find objects that had the same mass/weight. When weighing such items on a set of balance scales, we would say that they are balanced. Have a look at the video below and complete the activity - how many cubes to balance the scales?

Measure Weight For Kids | Grade 1 Maths For Kids | Periwinkle


Today's activity will involve comparing mass. Children will see a set of two different balance scales and will use these to deduce which is the heaviest/lightest object. To encourage your child to use their reasoning skills, ask them to explain why they have chosen each object as heaviest/lightest.

Use the link below to watch a video that will support with explanations. We are on lesson 3: Comparing Mass.


Today's activity introduces the topic of capacity and volume. Children will need to recognise when a container is empty, full, almost empty and almost full.

Practical idea - using similar containers - pour different amounts of water in each. Encourage children to discuss the containers using words like full, empty, half full, more, less, equal.

Watch the video using the link below. We are on lesson 4: Introducing capacity and volume.

Then children are to complete the 'Introduce Capacity and Volume' activity.


Today's activity requires the children to use their new knowledge of capacity and their previosu number knowledge to solve problems. If it helps, you could try to solve the problems practically or by drawing pictures as you explain your reasoning. Again watch the video below for support. We are on lesson 5: Measuring Capacity. 

Children are then to complete 'Measure Capacity Activity'.