Help support children's understanding of inverse operations through exploring calculation families.

A fun way for children to practise their adding and subtracting skills. Useful for assessment and small group work. Requires pegs.

SMARTboard flipchart that asks children to select the correct numbers to make the sum of a number below 10.

Complete simple pictures to solve addition problems. Introduces inverse operations in their basic form.

Laminate these mats and use playdough for some hands-on number challenges. Use a dry-wipe pen to write numbers onto the boards, wipe clean and repeat with different numbers.

Children count the spots on the ladybirds and then complete the addition calculation. A great resource for teaching number bonds to 10.

A game for 2-3 players match the sums to to the totals for numbers up to 8. Print off cards and laminate.

A game for 2 people using 3 dice. The object of the game is to take it in turns to throw the 3 dice and add the total. Find the total on the board and cover with one of your counters. The first person to have 3 of their coloured counters in a row, is the winner.

Children are asked to find totals of two and three numbers for additions up to 10.

Using small sorting hoops and red and green counters as apples, children explore different combinations of red and green apples that give the same total number of apples. Children record their outcomes on the attached sheet.

A handy leaflet explaining to parents the strategies used for teaching subtraction and addition - aimed mainly at KS1 parents.

A colourful set of differentiated resources to help teach and explain the concept of 'less than'. [Forms part of the Big & Small project]