This task is about continuing number patterns and finding a rule.
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A chain of numbers begins: 1
 3
This could be continued several ways.
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| a) |
1
3 5 7 9
What is the rule for continuing this chain? ____________________________________
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| b) |
1
3 9 27 81
What is the rule for continuing this chain? ____________________________________
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| c) |
1
3 7 15 31 63
What is the rule for continuing this chain? ____________________________________
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| d) | i) |
Make up a different chain by writing down the next three numbers.
The chain starts with: 1
3 and keeps getting bigger.
1
3  |
| ii) |
Write the rule for the chain you have written.
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