Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 x 20 = 5 x _____ x 10
- 88 x 900 = 88 x _____ x 100
- 311 x 7000 = 311 x _____ x 1000
- 3843 x 80000 = 3843 x _____ x 10000
(a)
5 x 20 = 5 x _____ x 10
20 ÷ 10 = 2
(b)
88 x 900 = 88 x _____ x 100
900 ÷ 100 = 9
(c)
311 x 7000 = 311 x _____ x 1000
7000 ÷ 1000 = 7
(d)
3843 x 80000 = 3843 x _____ x 10000
80000 ÷ 10000 = 8
Answer(s): 2, 9, 7, 8