Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

(a) 36 x 8 + 3 x 36 = _____ x 36
(b) 12 x 7 + 7 x 2 + 7 x 2 = _____ x 7 + 6 x 7
(c) 197 x 15 - 5 x 197 = _____ x 197
(d) 10 x 3 + 4 x 3 - 4 x 3 = 19 x 3 - 3 x _____
(a)
36 x 8 + 3 x 36 = _____ x 36
8 x 36 + 3 x 36 = _____ x 36
(8 + 3) x 36 = _____ x 36

11 x 36 =  _____ x 36

(b)
12 x 7 + 7 x 2 + 7 x 2 = _____ x 7 + 6 x 7
(12 + 2 + 2) x 7 = = _____ x 7 + 6 x 7
16 x 7 = _____ x 7 + 6 x 7
16 x 7 - 6 x 7 = _____ x 7
(16 - 6) x 7 = _____ x 7

10 x 7 = _____ x 7

(c)
197 x 15 - 5 x 197 = _____ x 197
(15 - 5) x 197 = _____ x 197

10 x 197 = _____ x 197

(d)
10 x 3 + 4 x 3 - 4 x 3 = 19 x 3 - 3 x _____
(10 + 4 - 4) x 3 = 19 x 3 - _____ x 3
10 x 3 = 19 x 3 - _____ x 3
19 x 3 - 10 x 3 = _____ x 3
(19 - 10) x 3 = _____ x 3

9 x 3 = _____ x 3

Answer(s): 11, 10, 10, 9