Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9255 = 9000 + _______ + 50
- 8488 = 400 + _______ + 80
- 80 - 5 x 7 = _______
- 20 + 18 ÷ 2 = _______
(a)
9255 = 9000 + _______ + 50
9000 + 50 = 9050
9255 - 9050 = 205
(b)
8488 = 400 + _____ + 80
400 + 80 = 480
8488 - 480 = 8008
(c)
80 - 5 x 7
= 80 - 35
= 45
(d)
20 + 18 ÷ 2
= 20 + 9
= 29
Answer(s): 205, 8008, 45, 29