Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 12 + 8 = _______
- - 8 + 9 = _______
- - 8 - 1 = _______
- - 5 - 8 = _______
(a)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 12 + 8
= 8 - 12
= - 4
(b)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 8 + 9
= 9 - 8
= 1
(c)
- 8 - 1 = - 9
(d)
- 5 - 8 = - 13
Answer(s): - 4, 1, - 9, - 13