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Errata

# Year Section Page Question Given Correct Note
1 Year 9 Exercise 1:01 Page 2 3.p. \frac{57}{72} \frac{19}{24} don't cha know your 19 times tables?
2 Year 9 Exercise 1:01 Page 2 4.o. 0.475 0.0475 off by an order of magnitude
3 Year 9 Exercise 1:02 Page 4 3.d. 6.375 6.35 \frac{6.4 - 6.3}{2} + 6.3 = 6.35
4 Year 9 Exercise 1:02 Page 5 11. 54 \text{ BC} 54 \text{ BCE} both are technically correct but better to be consistent
4 Year 9 Exercise 1:02 Page 6 23.a. \frac{ad + bc}{bd} is not rational if bd = 0
4 Year 9 Exercise 1:02 Page 6 23.b. \frac{ad - bc}{bd} is not rational if bd = 0
4 Year 9 Exercise 1:02 Page 6 23.c. \frac{ac}{bd} is not rational if bd = 0
4 Year 9 Exercise 1:02 Page 6 23.d. \frac{ad}{bc} is not rational if bc = 0