Resources by 1001 Math Problems

Number bond garden

This resource focusses on addition bonds. Four equilateral triangles are grouped to create ‘petals’ and students are challenged to place the numbers 1 to 9 in a way that ensures each triangle has numbers where the larger number is the sum of two smaller numbers. This resource is an extension of the ‘Space Ship...

Number grid problem

A 2 by 4 grid is presented. The numbers from 1 to 8 are to be placed in the grid so that no two consecutive numbers touch at a side or a corner. The resource is suitable for Key Stage 3 students.

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Numerals that count themselves

In this logic puzzle a text box contains four statements that describe how many zeros, ones, twos and threes are contained within the box (e.g. there is 1 zero in this box). Students are challenged to complete five statements contained within a text box so that each of the statements is true.

Pastry shop problem

A shop is selling cakes and cupcakes. The owner believes that $13 is unlucky and so wants to avoid ever charging this amount. The challenge is to price the items so that the bill could come to any amount above 13. The challenge makes use of factors and multiples. This resource is suitable for Key Stage 3.

Pig problem

This problem uses number bases. Farmers identify a pig by using notches in different parts of the pig’s ears. Pictures of four pigs are presented and the challenge is to work out the code. A final challenge is to represent a given number. This resource is suitable for Key Stage 3.

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Playing with number cubes

This resource asks students to consider the properties of 'number cubes' - or dice. There are three questions to investigate, including rearranging the dots so that the difference between opposite sides is always constant. The extension ask students to consider different kinds of dice and an invitation to think of...

Primes around six

A number line is shown with both prime numbers and multiples of six marked on. From the line it is noticeable that the primes are clustered around multiples of six. Students are challenged to explain this and to investigate if this holds for other parts of the number line. This resource is suitable for Key Stage 3...

Same sum puzzle

Can students place the digits 1 to 4 on a grid so that equal sums are given along vertical and horizontal lines? How many different arrangements are possible? The resource also includes a further challenge for ‘experts’ that uses the numbers from 1 to 7 on an ‘H’ shaped grid.

Same sum puzzle 2

A grid is made by placing six circles around an equilateral triangle. The numbers 5 to 10 are to be placed on the grid so that the sum along each side of the triangle is the same.