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

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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.

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

We all know this sequence of numbers! What is the rule? Sequences! We all know this sequence of numbers! What is the rule? 1 2 3 4 5 6 7 8 9 Of course its add one! In today's lesson we are going to be looking at lots of different sequences!

What about guess the rule? Look at these number sequences carefully can you guess the next 2 numbers? What about guess the rule? +10 30 40 50 60 70 80 +3 --------------------------------------------------------------------------------------------------------------------- 17 20 23 26 29 32 --------------------------------------------------------------------------------------------------------------------- -7 48 41 34 27 20 13

Can you work out the missing numbers in each of these sequences? +25 50 75 100 125 150 175 --------------------------------------------------------------------------------------------------------------------- +20 30 50 70 90 110 130 --------------------------------------------------------------------------------------------------------------------- -5 196 191 181 176 171 186 --------------------------------------------------------------------------------------------------------------------- -10 306 296 286 276 266 256

Now try these sequences – think carefully and guess the last number! +1, +2, +3 … 1 2 4 7 11 16 --------------------------------------------------------------------------------------------------------------------- double 3 6 12 24 96 48 --------------------------------------------------------------------------------------------------------------------- + 1.5 0.5 2 3.5 5 6.5 8 --------------------------------------------------------------------------------------------------------------------- -3 7 4 1 -2 -5 -8

See if you can find out something about Fibonacci! 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!!! 1 1 2 3 5 8 13 21 etc… Can you see how it is made? What will the next number be? 34! See if you can find out something about Fibonacci!

For these sequences I have done 2 maths functions! Guess my rule! For these sequences I have done 2 maths functions! 3 7 15 31 63 127 x2 +1 x2 -1 2 3 5 9 17 33