Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 19 + 8 = _______
- - 3 + 5 = _______
- - 7 - 2 = _______
- - 1 - 7 = _______
(a)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 19 + 8
= 8 - 19
= - 11
(b)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 3 + 5
= 5 - 3
= 2
(c)
- 7 - 2 = - 9
(d)
- 1 - 7 = - 8
Answer(s): - 11, 2, - 9, - 8