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(i) Draw the next pattern.

(ii) Prepare a table for the number of dots used for each pattern.

(iii) Explain the pattern.

(iv) Find the number of dots in the 25th pattern.

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First number is 2

2nd number is 2 + 3 = 5
3rd number is 5 + 4 = 9
4th number is 9 + 5 = 14
5th number is 14 + 6 = 20

(iv) Number of dots in the 25th pattern is

The number of dots in the 25th pattern = 350.

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