The tasks in this feature are designed to encourage children to work systematically - a valuable tool frequently used by mathematicians. We would love to receive solutions from your learners. Click the 'Submit a solution' link on any live problem to find out the closing date.

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### Encouraging primary children to work systematically

This article for primary teachers suggests ways in which to help children become better at working systematically.

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### Sort the Street

Sort the houses in my street into different groups. Can you do it in any other ways?

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### Three Ball Line Up

Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.

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### Growing Garlic

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

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### A Mixed-up Clock

There is a clock-face where the numbers have become all mixed up. Can you find out where all the numbers have got to from these ten statements?

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### Factor Lines

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

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### Sealed Solution

Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?

Some text about this being more activities about working systematically.

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### Finding all possibilities Lower Primary

These activities focus on finding all possible solutions so working in a systematic way will ensure none are left out.

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### Finding all possibilities Upper Primary

These activities focus on finding all possible solutions so working in a systematic way will ensure none are left out.

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### Ordered Ways of Working Lower Primary

These activities lend themselves to systematic working in the sense that it helps to have an ordered approach.

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### Ordered Ways of Working Upper Primary

These activities lend themselves to systematic working in the sense that it helps to have an ordered approach.