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Number Sequences. TLI: To recognise and extend number sequences formed by counting from any number in steps of constant size, extending beyond zero when counting back. Year 4

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Sequences! We all know this sequence of numbers! What is the rule? 123456789123456789 Of course its add one! In today's lesson we are going to be looking at lots of different sequences!

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Look at these number sequences carefully can you guess the next 2 numbers? What about guess the rule? 3040 50607080 1720292623 32 --------------------------------------------------------------------------------------------------------------------- 48 4134272013 +10 +3 -7

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Can you work out the missing numbers in each of these sequences? 50 30 17515012510075 --------------------------------------------------------------------------------------------------------------------- 507090110130 --------------------------------------------------------------------------------------------------------------------- 171176181 186 191196 --------------------------------------------------------------------------------------------------------------------- 256266276286296 306 +25 +20 -5 -10

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Now try these sequences – think carefully and guess the last number! 12164711 3 --------------------------------------------------------------------------------------------------------------------- 1224 48 966 --------------------------------------------------------------------------------------------------------------------- 0.5 23.556.5 8 --------------------------------------------------------------------------------------------------------------------- 7-5-214-8 +1, +2, +3 … double + 1.5 -3

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This is a really famous number sequence which was discovered by an Italian mathematician a long time ago. It is called the Fibonacci sequence and can be seen in many natural things like pine cones and sunflowers!!! 1123581321 etc… Can you see how it is made? What will the next number be? 34! See if you can find out something about Fibonacci!

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Guess my rule! For these sequences I have done 2 maths functions! 37 3115 63127 x2 -1 2 331795 3 x2 +1

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2011年上半年 我院团学工作活动图片展播 2011年8月28日.

2011年上半年 我院团学工作活动图片展播 2011年8月28日.

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