ABIATOR'S CONTRACT MATHS   B103

Compiled by AnjulberG for non-profit classroom use. Includes material from various sources


B 103

(1) Die Problem: (a)  12

(2) Matrix:

          1      4      3      2      5
          4      3      2      5      1
          3      2      5      1      4
          2      5      1      4      3
          5      1      4      3      2

(3) Plus and Minus:  [a] 1 + 2 + 3 – 4 + 5 + 6 + 78 + 9 = 100    [b] 123 – 45 – 67 + 89 = 100

(4) Different But the Same:   

1 + 1+ 1 + 2 + 5 = 1 x 1 x 1 x 2 x 5

1 + 1 + 1 + 3 + + 3 = 1 x 1 x 1 x 3 x 3

1 + 1 + 2 + 2 + 2 = 1 x 1 x 2 x 2 x 2

(5) Ten Chairs:
chair soln

(6) Multiplication Digits:   1963 x 4 = 7852          198 x 27 = 5346

(7) Spot the Differences:   A = 2      B = 2      C = 4

(8) Zingers and Pingers:  Only C is a Zinger. Zingers are shaded with one tail.

(9) Box It!:  N/A; sight solutions in class.

(10) Tessellation Town:  N/A; sight solutions in class.

(11) Problem Galleria:
Problem 11.1:  GERRY = 30      MABEL = 24
Problem 11.2:  a) 94.6 litres in the tank      b) 0.4 litres still to go
Problem 11.3:  $19
Problem 11.4:  63.25cm2
Problem 11.5:  168 times
Problem 11.6:  $57, 400, 000
Problem 11.7:  125 grams each
Problem 11.8:  17cm
Problem 11.9:  12cm
Problem 11.10:  $12, 008.50