i. Our liability to you for any losses shall not exceed the amount you originally paid for the service. Make two sets of number cards 1–12. Shuffle and place them face down in two piles. Take a number from each pile and multiply them together. Score a point for each correct answer. The first to 10 points wins. All of our resources have been produced by our team of experienced teachers and follow national curriculum standards, so you can rest assured that children are learning and applying only relevant skills and knowledge. Why is learning mental maths skills important? This is the Agreement for accessing CGP Online Editions (the Service). The Service provides online access to a range of titles published by Coordination Group Publications Ltd. (CGP). This Agreement covers access to the Service regardless of the device or network you access it through. By using the Service you agree to be bound by this Agreement. Mental Maths Puzzles Worksheets](https://www.tes.com/teaching-resource/mental-maths-puzzles-worksheets-ks2-12076291)**

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Calculating Change Money Games](https://www.tes.com/teaching-resource/change-from-pounds-1-pounds-5-pounds-10-pounds-20-four-in-a-row-games-bundle-11561108)** Place Value CrossNumber Puzzles](https://www.tes.com/teaching-resource/place-value-puzzles-worksheets-11691673)

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PowerPoint Speed Tests](https://www.tes.com/teaching-resource/mental-maths-tests-year-4-11671063)**

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Mental Maths Cards Year 5 / 6](https://www.tes.com/teaching-resource/mental-maths-year-5-6-11670729)**