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| Primary Mathematics 4A
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page last updated
October 7, 2007
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| p. 23 | A number is divisibe by 2 if the last digit is 0, 2, 4, 6, or 8. | 2004 | ||
| p. 23 | However, 459 is divisibly by 9. We can divide it up the same way: 459 = (4 x 99) + ... | 2004 | ||
| p. 30 | Factor game | One of the number cubes should be labeled with 0-5 (instead of 0-6). The first student who crosses off all the numbers from 1-10 wins. | 2004 | |
| p.114 | Answer to 10, under Rounding Off Numbers. | 1000 | 2004/2007 | |
| Answer to 8.(c), under Practice 1A | 4100 | 2004/2007 | ||
