Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 25 x 60 = 25 x _____ x 10
- 70 x 200 = 70 x _____ x 100
- 511 x 5000 = 511 x _____ x 1000
- 4192 x 30000 = 4192 x _____ x 10000
(a)
25 x 60 = 25 x _____ x 10
60 ÷ 10 = 6
(b)
70 x 200 = 70 x _____ x 100
200 ÷ 100 = 2
(c)
511 x 5000 = 511 x _____ x 1000
5000 ÷ 1000 = 5
(d)
4192 x 30000 = 4192 x _____ x 10000
30000 ÷ 10000 = 3
Answer(s): 6, 2, 5, 3