Page 23 - Year 5 Maths Mastery

Teaching for Mastery: Questions, tasks and activities to support assessment

Mastery Mastery with Greater Depth

A box weighs 1·3 kg. A box and two tins weigh 1·6 kg. Here are some tins and boxes on two different scales.

How much does one tin weigh in grams? How many grams does a tin weigh? How many grams does the box weigh?

2 2 2
1 3 1 3 1 3
0 4 0 4 0 4

Here is a picture of a square drawn on cm paper. Here is a picture of a square drawn on cm paper.
2
2

Draw another rectangle with the same perimeter as this square. How many other rectangles are there with the same perimeter as the square,
Do the two rectangles have the same area? where the sides are a whole number of cm?
Is this always, sometimes or never true of other pairs of rectangles with the same
perimeter? Show your workings.

Explain your reasoning.

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