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

(a) 33 x 4 + 5 x 33 = _____ x 33
(b) 19 x 3 + 3 x 6 + 3 x 3 = _____ x 3 + 4 x 3
(c) 235 x 15 - 2 x 235 = _____ x 235
(d) 11 x 7 + 9 x 7 - 4 x 7 = 20 x 7 - 7 x _____
(a)
33 x 4 + 5 x 33 = _____ x 33
4 x 33 + 5 x 33 = _____ x 33
(4 + 5) x 33 = _____ x 33

9 x 33 =  _____ x 33

(b)
19 x 3 + 3 x 6 + 3 x 3 = _____ x 3 + 4 x 3
(19 + 6 + 3) x 3 = = _____ x 3 + 4 x 3
28 x 3 = _____ x 3 + 4 x 3
28 x 3 - 4 x 3 = _____ x 3
(28 - 4) x 3 = _____ x 3

24 x 3 = _____ x 3

(c)
235 x 15 - 2 x 235 = _____ x 235
(15 - 2) x 235 = _____ x 235

13 x 235 = _____ x 235

(d)
11 x 7 + 9 x 7 - 4 x 7 = 20 x 7 - 7 x _____
(11 + 9 - 4) x 7 = 20 x 7 - _____ x 7
16 x 7 = 20 x 7 - _____ x 7
20 x 7 - 16 x 7 = _____ x 7
(20 - 16) x 7 = _____ x 7

4 x 7 = _____ x 7

Answer(s): 9, 24, 13, 4