Level 4 Activities Question 1 Prime Factors Question 2 Estimate Square Roots Question 3 Prime and Composite Numbers Question 4 Division with Fractional Remainder Question 5 Negative Numbers + – Question 6 Negative Numbers x ÷ Question 7 Highest Common Factor Question 8 Lowest Common Multiple Question 9 Mixed Numerals + – Question 10 Mixed Numerals x ÷ Question 11 Order of Operations Question 12 Rates Word Problems Question 13 Division of Decimals Question 14 Fractions to Percentages Question 15 Decimals to Mixed Numerals Question 16 Fraction of an Amount Question 17 Increasing/Decreasing an Amount Question 18 Simplifying Ratios Question 19 Dividing with Ratios Question 20 Speed, Distance and Time