Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4497 = 4000 + _______ + 90
- 9593 = 500 + _______ + 90
- 90 - 8 x 2 = _______
- 10 + 5 ÷ 5 = _______
(a)
4497 = 4000 + _______ + 90
4000 + 90 = 4090
4497 - 4090 = 407
(b)
9593 = 500 + _____ + 90
500 + 90 = 590
9593 - 590 = 9003
(c)
90 - 8 x 2
= 90 - 16
= 74
(d)
10 + 5 ÷ 5
= 10 + 1
= 11
Answer(s): 407, 9003, 74, 11