Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 14 x 90 = 14 x _____ x 10
- 72 x 400 = 72 x _____ x 100
- 351 x 8000 = 351 x _____ x 1000
- 9290 x 70000 = 9290 x _____ x 10000
(a)
14 x 90 = 14 x _____ x 10
90 ÷ 10 = 9
(b)
72 x 400 = 72 x _____ x 100
400 ÷ 100 = 4
(c)
351 x 8000 = 351 x _____ x 1000
8000 ÷ 1000 = 8
(d)
9290 x 70000 = 9290 x _____ x 10000
70000 ÷ 10000 = 7
Answer(s): 9, 4, 8, 7