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#6 The Number 8
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An interesting number is 8. Make a complete table of 8's as started below. |
1 x 8 = 8 (0+8 = 8) 2 x 8 = 16 (1+6 = 7)
3 x 8 = 24 (2+4 = 6)
4 x 8 = 32 (3+2 = 5)
5 x 8 = ___ 6 x 8 = ___ 7 x 8 = ___ 8 x 8 = ___
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What do you notice about the sum of the figures of each product? (Look in the parentheses.) Do they decrease in order: 8, 7, 6, 5, 4, 3, 2, 1? |
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Is this true for larger numbers? Try multiplying 8 by 19, 20, 21, 22, 23, 24, 25, 26. |
It should work!
If you haven't tried these yet... go for it!
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