1. You must show all steps of your working out.
Work out the answer to:
13− 2 2 +(3− -5)×2
You must show all steps of your working out.

2. 13− 2 2 +(3− -5)×2
=13 − ×2=13 −4+8×=13−4+16
=25

3. You must show all steps of your working out.
Work out the answer to:
2 × (−3) 2 −4×(−8)
You must show all steps of your working out.

4. 2 × (−3) 2 −4×(−8)
=2×9−4× −8
=18−-32
=18+32
=50

5. You must show all steps of your working out.
Work out the answer to: −
You must show all steps of your working out.

6. −
= −2 2 +4
=−1+4 =3

7. You must show all steps of your working out.
Work out the answer to:
1− 2 7−5 +4× 4 3−1
You must show all steps of your working out.

8. 1− 2 7−5 +4× 4 3−1
=1 − × 4 2
=1 −1+4×2
=1−1+8 =8