Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 21 - 10 = _____
- 35 - 10 = _____
- 52 - 10 = _____
- 92 - 10 = _____
(a)
21 - 10 = 11
(b)
35 - 10 = 25
(c)
52 - 10 = 42
(d)
92 - 10 = 82
Answer(s): 11, 25, 42, 82