Sefulu/Hongofulu Problem Solving Task

Your maths group are given this chocolate bar to share. Show:

1/2 of the block of chocolate is eaten. Show how much is now left.

1/4 of the full block is now left. Show 1/4 of the block.

What would 1/2 of 1/4 of the block look like?

Miss West and Mrs Buchanan have run out of coloured paper to make cards. This 1 piece of A4 paper is all that is left and three thank you cards need to be made. Shade 1/3 of this pink paper in green. Shade (red) half of what is left (still pink). If each little square on the paper is 1cm tall, how many centimetres of pink paper are now left?

Answer these questions in your maths book:

1

Sam trips and falls over, half (1/2) way through a 100m running race. How many metres did Sam run before he fell?

2

Draw a rectangle in your maths book which is 6 squares long and 2 squares high. Shade 1/4 of this shape.

3

Draw a circle in your maths book. Shade 3/8 of the circle. Now show 3/8 of a rectangle. What fraction of the rectange (or circle) is left?

4

Now draw 3/8 of a rectangle.

5

What fraction of the rectange (or circle) is left?

Miss West and Mrs Buchanan have run out of coloured paper to make cards. This 1 piece of A4 paper is all that is left and three thank you cards need to be made. Shade 9/3 of this pink paper in green. Shade (red) half of what is left (still pink). If each little square on the paper is 1cm tall, how many centimetres of pink paper are now left?