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