**Q5: **

Calculate .

**Q6: **

Are these expressions equal?

- A no
- B yes

**Q7: **

Evaluate .

**Q8: **

Evaluate .

**Q9: **

Calculate .

- A
- B
- C
- D

**Q10: **

Calculate .

**Q11: **

Are these expressions equal?

- A yes
- B no

**Q12: **

Calculate .

**Q13: **

This equation needs parentheses to make it correct. Around which part should we put them?

- A
- B
- C
- D
- E

**Q14: **

Calculate .

**Q15: **

This equation needs parentheses to make it correct. Around which part should we put them?

- A
- B
- C
- D

**Q16: **

Analyze the statement , and then state whether it is true or false.

- Afalse
- Btrue

**Q17: **

Two students are writing expressions for the number of tiles in this design.

Only one of them is correct. Who is it?

- AChloe
- BJacob

Rewrite the incorrect expression to make it correct.

- A
- B
- C
- D
- E

Which of these is a different way to count the number of pink tiles?

- A
- B
- C
- D
- E

**Q18: **

An artist has created this mosaic out of tiles.

They write this expression for the number of orange tiles they used.

Write a similar expression for the number of blue tiles in this mosaic.

- A
- B
- C
- D
- E

Which of these is equal to the number of blue tiles?

*Hint*: Which operation should we do first?

- A
- B
- C
- D
- E

How many blue tiles are there?

**Q19: **

Rewrite the equation using parentheses to make it correct.

- A
- B
- C
- D

**Q20: **

Calculate .

- A
- B
- C 3
- D

**Q21: **

Calculate .

**Q22: **

Calculate .

**Q23: **

Calculate the following: .

**Q24: **

Calculate .

**Q25: **

Calculate the following: .