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Measurement puzzles

Term 4

Find the area

How many squares this size do you need to completely cover each figure? Use your own way to work it out. You can draw squares on the pictures to help you work it out.

a.

b.

c.

d.

Solve the riddle

You want to measure out exactly 4 litres of water.

You have only two containers: one holds 3 litres and the other 5 litres.How do you do it?

Clue: there are at least two possible ways.

What do you see?

Three blocks are glued together as in this picture.

 

If you pick up the joined together blocks how many squares do you count on the outside?

Count the cubes

How many cubes make up this shape?

Challenge: a time riddle

Clues

You have two sand timers.
One measures exactly 7 minutes and the other measures exactly11 minutes.
How can you use the timers to find out when exactly 15 minutes has passed?