
Growing rectangles
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?
This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.
This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?
Can you each work out what shape you have part of on your card? What will the rest of it look like?
Can you each work out the number on your card? What do you notice? How could you sort the cards?
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
The Tower of Hanoi is an ancient mathematical challenge. Working on the building blocks may help you to explain the patterns you notice.
These pictures show some different activities that you may get up to during a day. What order would you do them in?