Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5771 = 5000 + _______ + 70
- 6447 = 400 + _______ + 40
- 60 - 6 x 8 = _______
- 10 + 7 ÷ 7 = _______
(a)
5771 = 5000 + _______ + 70
5000 + 70 = 5070
5771 - 5070 = 701
(b)
6447 = 400 + _____ + 40
400 + 40 = 440
6447 - 440 = 6007
(c)
60 - 6 x 8
= 60 - 48
= 12
(d)
10 + 7 ÷ 7
= 10 + 1
= 11
Answer(s): 701, 6007, 12, 11