Christmas MT's answer to Don's Primary 5 Maths Decimals Singapore question.
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Basically each pattern is adding one more square but minus 2 dots since they are connected. So add 2 after each pattern.
So formula
= 4*n - (n-1)*2
= 2n + 2
So answer is 35 which will give 72 dots
So formula
= 4*n - (n-1)*2
= 2n + 2
So answer is 35 which will give 72 dots
Date Posted:
3 years ago
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