Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 10 + 8 = _______
- - 7 - 8 = _______
- - 2 - 7 = _______
- - 2 + 10 = _______
(a)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 10 + 8
= 8 - 10
= - 2
(b)
- 7 - 8 = - 15
(c)
- 2 - 7 = - 9
(d)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 2 + 10
= 10 - 2
= 8
Answer(s): - 2, - 15, - 9, 8