Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4152 = 4000 + _______ + 50
- 4664 = 600 + _______ + 60
- 90 - 8 x 5 = _______
- 80 + 16 ÷ 16 = _______
(a)
4152 = 4000 + _______ + 50
4000 + 50 = 4050
4152 - 4050 = 102
(b)
4664 = 600 + _____ + 60
600 + 60 = 660
4664 - 660 = 4004
(c)
90 - 8 x 5
= 90 - 40
= 50
(d)
80 + 16 ÷ 16
= 80 + 1
= 81
Answer(s): 102, 4004, 50, 81