Quiz on Order of Operations and the Use of Brackets (Mathematics)

1. Simplify 12 x 14 ÷ 7

2. Simplify 160 x 10 ÷ (5 x 4)

3. Simplify 94 - (61 - 23)

4. Simplify 237 - 87 + 30

5. Simplify 450 ÷ (10 ÷ 5)

6. Simplify (103 + 91) x (2 + 8)

7. insert brackets in 18 ÷ 6 + 3 to get the value 2.

8. insert brackets in 30 - 10 - 10 to get the value 30.

9. insert brackets in 100 + 20 ÷ 5 to get the value 24.