Exploring and noticing

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

Can you place these quantities in order from smallest to largest?

This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

A group of children are discussing the height of a tall tree. How would you go about finding out its height?

Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick ten numbers from the bags so that their total is 37?

A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?

Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

What is the greatest number of squares you can make by overlapping three squares?