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

(a) 88 x 7 + 4 x 88 = _____ x 88
(b) 16 x 9 + 9 x 8 + 9 x 2 = _____ x 9 + 5 x 9
(c) 245 x 16 - 6 x 245 = _____ x 245
(d) 17 x 2 + 3 x 2 - 8 x 2 = 14 x 2 - 2 x _____
(a)
88 x 7 + 4 x 88 = _____ x 88
7 x 88 + 4 x 88 = _____ x 88
(7 + 4) x 88 = _____ x 88

11 x 88 =  _____ x 88

(b)
16 x 9 + 9 x 8 + 9 x 2 = _____ x 9 + 5 x 9
(16 + 8 + 2) x 9 = = _____ x 9 + 5 x 9
26 x 9 = _____ x 9 + 5 x 9
26 x 9 - 5 x 9 = _____ x 9
(26 - 5) x 9 = _____ x 9

21 x 9 = _____ x 9

(c)
245 x 16 - 6 x 245 = _____ x 245
(16 - 6) x 245 = _____ x 245

10 x 245 = _____ x 245

(d)
17 x 2 + 3 x 2 - 8 x 2 = 14 x 2 - 2 x _____
(17 + 3 - 8) x 2 = 14 x 2 - _____ x 2
12 x 2 = 14 x 2 - _____ x 2
14 x 2 - 12 x 2 = _____ x 2
(14 - 12) x 2 = _____ x 2

2 x 2 = _____ x 2

Answer(s): 11, 21, 10, 2