This task is about finding multiples and common multiples.
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 |
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a) |
Using the numbers in the box above write down
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| i) |
... all the multiples of 3.
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| ii) |
... all the common multiples of 2 and 3.
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| b) |
I am a number between 5 and 25, and I am a multiple of both 3 and 5.
What number am I? __________
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| c) |
I am a number between 20 and 40, and I am a multiple of both 2 and 7.
What number am I? __________
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| d) |
I am a number between 1 and 40, and I am a multiple of 3, 5, and 6.
What number am I? __________
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