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

(a) 85 x 6 + 2 x 85 = _____ x 85
(b) 16 x 6 + 6 x 2 + 6 x 3 = _____ x 6 + 7 x 6
(c) 259 x 17 - 1 x 259 = _____ x 259
(d) 20 x 7 + 1 x 7 - 5 x 7 = 19 x 7 - 7 x _____
(a)
85 x 6 + 2 x 85 = _____ x 85
6 x 85 + 2 x 85 = _____ x 85
(6 + 2) x 85 = _____ x 85

8 x 85 =  _____ x 85

(b)
16 x 6 + 6 x 2 + 6 x 3 = _____ x 6 + 7 x 6
(16 + 2 + 3) x 6 = = _____ x 6 + 7 x 6
21 x 6 = _____ x 6 + 7 x 6
21 x 6 - 7 x 6 = _____ x 6
(21 - 7) x 6 = _____ x 6

14 x 6 = _____ x 6

(c)
259 x 17 - 1 x 259 = _____ x 259
(17 - 1) x 259 = _____ x 259

16 x 259 = _____ x 259

(d)
20 x 7 + 1 x 7 - 5 x 7 = 19 x 7 - 7 x _____
(20 + 1 - 5) x 7 = 19 x 7 - _____ x 7
16 x 7 = 19 x 7 - _____ x 7
19 x 7 - 16 x 7 = _____ x 7
(19 - 16) x 7 = _____ x 7

3 x 7 = _____ x 7

Answer(s): 8, 14, 16, 3