Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 20 x 30 = 20 x _____ x 10
- 86 x 200 = 86 x _____ x 100
- 894 x 8000 = 894 x _____ x 1000
- 3080 x 70000 = 3080 x _____ x 10000
(a)
20 x 30 = 20 x _____ x 10
30 ÷ 10 = 3
(b)
86 x 200 = 86 x _____ x 100
200 ÷ 100 = 2
(c)
894 x 8000 = 894 x _____ x 1000
8000 ÷ 1000 = 8
(d)
3080 x 70000 = 3080 x _____ x 10000
70000 ÷ 10000 = 7
Answer(s): 3, 2, 8, 7