ABIATOR'S CONTRACT MATHS   B101

(1) Make 24: (a)  (6 x 4) x (9 – 8) = 24      (b)  (8 x 1) x (6 – 3) = 24
                       (c)  (7 x 5) – (5 + 6) = 24      (d)  (2 x 9) + (9 – 3) = 24   (Other answers may be possible)

(2) Letters, Numbers... Confusion!!:  A = 6,  B = 3,  C = 1,  D = 2,  E = 4  F = 7  G = 8   (Other answers may be possible)

(3) Patterns:  [a] 15, 21, 28    [b] –2, –4, –5    [c] M, J, J (months)    [d] (2,–7), (y, –9), (x,–11)

(4) Country Drive:  20 sheep, 2 dogs, 2 people

(5) Card Collection:   Janice had 57 more cards.

(6) Who's Who in Queue:   ORDER: May, Tim, Greg, Sue, Maddy.

(7) Shifting Shapes:   N/A; sight solutions in class.

(8) Some More Soma:  N/A; sight solutions in class.

(9) Nets:  N/A; sight solutions in class.

(10) Pentomino Puzzlers:  N/A; sight solutions in class.

(11) Problem Galleria:
Problem 11.1:  20m apart
Problem 11.2:  a) x = –35      b) x = –6      c) x = 7
Problem 11.3:  10km
Problem 11.4:  120 bags
Problem 11.5:  4.05375kg
Problem 11.6:  a) 78 cents
Problem 11.7:  Jun earns $8, 589.75 more than Jiro each year.
Problem 11.8:  $3.12 saved in total per case.
Problem 11.9:  73 full turns (actually 73.3333^ turns)
Problem 11.10:  30 full turns (actually 30.952633 turns)