All these activities focus on number, but we have grouped them below to help you find tasks on particular topics more easily.
These activities are part of our Primary collections, which are problems grouped by topic.
![Number and Place Value](/sites/default/files/styles/medium/public/thumbnails/content-id-13799-icon.png?itok=3EMeKvJB)
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Number and Place Value
These challenges will help your understanding of number and place value.
![Addition and Subtraction](/sites/default/files/styles/medium/public/thumbnails/content-id-13800-icon.png?itok=hH4FeZ9p)
![Multiplication and Division](/sites/default/files/styles/medium/public/thumbnails/content-id-13803-icon.jpg?itok=SLEFZXVN)
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Multiplication and Division
These tasks will help you to think about multiplication and division.
![Fractions, Decimals, Percentages, Ratio and Proportion](/sites/default/files/styles/medium/public/thumbnails/content-id-13804-icon.png?itok=kp3c-HJF)
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Fractions, Decimals, Percentages, Ratio and Proportion
Try these tasks if you want to improve your understanding of fractions.
![Algebra](/sites/default/files/styles/medium/public/thumbnails/content-id-13813-icon.jpg?itok=sQ7JhLXq)