Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 17 x 80 = 17 x _____ x 10
- 89 x 500 = 89 x _____ x 100
- 423 x 9000 = 423 x _____ x 1000
- 5552 x 70000 = 5552 x _____ x 10000
(a)
17 x 80 = 17 x _____ x 10
80 ÷ 10 = 8
(b)
89 x 500 = 89 x _____ x 100
500 ÷ 100 = 5
(c)
423 x 9000 = 423 x _____ x 1000
9000 ÷ 1000 = 9
(d)
5552 x 70000 = 5552 x _____ x 10000
70000 ÷ 10000 = 7
Answer(s): 8, 5, 9, 7