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This excel file has four interactive sheets dealing with the order of operations. The first shows groups of calculations involving addition, subtraction and multiplication where the answers can be revealed. The second interactive sheet is similar, but it deals with...

This activity from Subtangent is based on the four colour theory, which is used by mapmakers. Resources include examples of colouring maps correctly, together with additional challenges, which cover a range of ability, for students to try themselves. Solutions for the challenges are also provided.

This resource contains three excel files dealing with various aspects of fractions.

Fractions of X (mental arithmetic) This excel file has four interactive sheets. Each sheet shows sets of questions where students find the fraction of given amounts. Answers can be revealed and new sets of...

This resource contains two excel files dealing with various aspects of fractions, decimals and percentages.

Fractions, Decimals, Percentage...

This Subtangent investigation looks at the total of the squares inside a stair shape.

Initially students investigate the relationship of the totals of a three step stair and its position on a 10 by 10 grid.

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This resource contains three interactive excel files illustrating different features of integer patterns. The different types of number include odd, even, prime, square and rectangular numbers. Triangle numbers and the Fibonacci Sequence are revealed in Pascal's...

This excel file deals with the four operations on positive and negative numbers giving practice at a variety of calculations.

The first interactive sheet shows a table with -5 to 5 both along the top and down the side...