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Maths Challenges from BBC Bitesize

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22nd May 2020

Here are this week's maths challenges from BBC Bitesize.

Challenge 1

Jane is standing in a queue.

There are 5 people in front of her.

There are 2 people behind her.

How many people are in the queue?

An illustration of Jane. Grey line

Challenge 2

Rosie says that she has 80 pence and Mo says he has 12 pence.  

Rosie gives Mo 25 pence.

How much more money does Rosie have than Mo now?

Grey line

Challenge 3

If

The graphic shows three rows of math sentences; Row 1: 70 + circle = 100; Row 2: 50 + triangle = 100; Row 3: circle + triangle + square = 100.  

What is the value of the blue square?

Grey line

Challenge 4

The perimeter of this regular hexagon is 42 cm.

A regular hexagon.

Four of these hexagons are put together to make this shape.

What is the perimeter of the shape?

Grey line

Challenge 5

Charlie has a tin of paint.

The tin is half full and weighs 5.8 kg. Charlie paints a wall in his house.

The tin is now a quarter full and weighs 3.1 kg.

How much does the empty tin weigh?

A full tin of blue paint. Grey line

Challenge 6

A spinner has 5 equal sections. The sections are labelled A to E.

A spinner partitioned into five equal segments labelled A, B, C, D and E.

The arrow is pointing to the centre of section A.

The left spinner is pointing at letter A and the right spinner is pointing at letter D.

Tom rotates the arrow clockwise so that the arrow is now pointing to the centre of section D.

What angle has the arrow been rotated through?

Grey line

Challenge 7

4 congruent triangles are shown inside a rectangle.

Four congruent triangles places in a rectangle with a width of 21 cm and a height of 16 cm.  

What is the area of one of the triangles?