Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 10 - 5 = _____
- 700 - 10 = _____
- 90 - 50 = _____
- 400 - 70 = _____
(a)
10 - 5 = 5
(b)
700 - 10 = 690
(c)
90 - 50 = 40
(d)
400 - 70 = 330
Answer(s): 5, 690, 40, 330