Addition and subtraction

There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?

Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.

Are these domino games fair? Can you explain why or why not?

Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?

Annie and Ben are playing a game with a calculator. What was Annie's secret number?

These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?

Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.

Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?

Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks?

Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?