Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5125 = 5000 + _______ + 20
- 6329 = 300 + _______ + 20
- 80 - 4 x 4 = _______
- 20 + 13 ÷ 13 = _______
(a)
5125 = 5000 + _______ + 20
5000 + 20 = 5020
5125 - 5020 = 105
(b)
6329 = 300 + _____ + 20
300 + 20 = 320
6329 - 320 = 6009
(c)
80 - 4 x 4
= 80 - 16
= 64
(d)
20 + 13 ÷ 13
= 20 + 1
= 21
Answer(s): 105, 6009, 64, 21