Maths Exam

1. Simplify 1

Simplify the following expression: $$ {\left(2 - -3\right)}^{2} - \left(-2(-3) + 5 - 4\right) $$

2. Simplify 2

Simplify the following expression: $$ 2\times3(-1) - \frac{6}{5}\left(5 - 5\right) $$

3. Fractions 1

Simplify the following expression: $$ \frac{6}{5} - \frac{-6}{4} $$

4. Fractions 2

Simplify the following expression: $$ \frac{-6}{6}\frac{3}{4} $$

5. Significant figures

1. Write the following to 4 significant figures: 16.416965
2. Write the following to 5 significant figures: 0.0021007166

6. Standard Form

1. Write the following in standard form to 5 significant digits: 0.00000187257
2. Write the following in standard form to 5 significant digits: 420124

7. Significant figures

1. Write the following in preferred standard form to 2 significant digits: 525000
2. Write the following in preferred standard form to 2 significant digits: 0.00002836

8. Simplify 2

Simplify the following expression: $$ {\left(5 + -4\right)}^{2} + 2(-5) - \frac{3}{4} $$

9. Simplify 1

Simplify the following expression: $$ 1 + 3 - -3(-4) + {\left(2 - 4\right)}^{2} $$

10. Simplify 2

Simplify the following expression: $$ 2\frac{4}{6}\frac{2 + 1}{{2}^{-2}} $$