Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2733 = 2000 + _______ + 30
- 1211 = 200 + _______ + 10
- 90 - 7 x 2 = _______
- 20 + 4 ÷ 2 = _______
(a)
2733 = 2000 + _______ + 30
2000 + 30 = 2030
2733 - 2030 = 703
(b)
1211 = 200 + _____ + 10
200 + 10 = 210
1211 - 210 = 1001
(c)
90 - 7 x 2
= 90 - 14
= 76
(d)
20 + 4 ÷ 2
= 20 + 2
= 22
Answer(s): 703, 1001, 76, 22