Comparing and ordering numbers

Can you complete this jigsaw of the multiplication square?

Can you complete this jigsaw of the 100 square?

Investigate what happens when you add house numbers along a street in different ways.

Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?

How can you arrange these 10 matches in four piles so that when you move one match from three of the piles into the fourth, you end up with the same arrangement?

Can you hang weights in the right place to make the the number balance balanced?

Use the fraction wall to compare the size of these fractions - you'll be amazed how it helps!

Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?

In this 100 square, look at the green square which contains the numbers 2, 3, 12 and 13. What is the sum of the numbers that are diagonally opposite each other? What do you notice?

These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?