Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 10 + 7 = _______
- - 3 + 9 = _______
- - 7 - 6 = _______
- - 2 - 7 = _______
(a)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 10 + 7
= 7 - 10
= - 3
(b)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 3 + 9
= 9 - 3
= 6
(c)
- 7 - 6 = - 13
(d)
- 2 - 7 = - 9
Answer(s): - 3, 6, - 13, - 9