Level 4 Practice Worksheets Prime Factors Estimate Square Roots Prime and Composite Numbers Division with Fractional Remainder Negative Numbers + – Negative Numbers x ÷ Highest Common Factor Lowest Common Multiple Mixed Numerals + – Mixed Numerals x ÷ Order of Operations Rates Word Problems Division of Decimals Fractions to Percentages Decimals to Mixed Numerals Fraction of an Amount Increasing/Decreasing an Amount Simplifying Ratios Dividing with Ratios Speed, Distance and Time