5² - 2 x 3

(12 -3) $^2$   - 400 $\div$   8

2.3 + 2 x 3.8

(70 - 5 x 12) + 7 x 2

3.4 x 6 - 11.9

(32.11+9.17)  $\div$  6

George attempt the following question

2.5 + 1.1 x 9.

George thinks the answer is 32.4, is he correct?

Hannah is trying the following question

4.2 x 5 - (8 $\div$  4) $^2$  .

Hannah thinks the answer is 17, is she correct.

 Jennifer attempts the following question,

32.4 - 7.7 x 2 $^2$  .
She thinks the answer is 98.8, is she correct?

Ryan attempts the following question,

19.5 + 8.5 x 3 - (19 - 5.9).

He thinks the answer is 59.1, is he correct?