Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 10 x 40 = 10 x _____ x 10
- 89 x 300 = 89 x _____ x 100
- 615 x 1000 = 615 x _____ x 1000
- 8380 x 50000 = 8380 x _____ x 10000
(a)
10 x 40 = 10 x _____ x 10
40 ÷ 10 = 4
(b)
89 x 300 = 89 x _____ x 100
300 ÷ 100 = 3
(c)
615 x 1000 = 615 x _____ x 1000
1000 ÷ 1000 = 1
(d)
8380 x 50000 = 8380 x _____ x 10000
50000 ÷ 10000 = 5
Answer(s): 4, 3, 1, 5