Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 25 - 10 = _____
- 44 - 10 = _____
- 69 - 10 = _____
- 91 - 10 = _____
(a)
25 - 10 = 15
(b)
44 - 10 = 34
(c)
69 - 10 = 59
(d)
91 - 10 = 81
Answer(s): 15, 34, 59, 81