Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 20 - 5 = _____
- 500 - 75 = _____
- 60 - 50 = _____
- 300 - 30 = _____
(a)
20 - 5 = 15
(b)
500 - 75 = 425
(c)
60 - 50 = 10
(d)
300 - 30 = 270
Answer(s): 15, 425, 10, 270