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5.1: Fractions (Practice Test)

5.3: Addition of fractions (Practice Test)

5.5: Multiplication of fractions (Practice Test)

5.6: Division of fractions (Practice Test)

5.7: Ordering of fractions

5.9: Introduction to decimals

5.10: Conversion and comparison of decimals (Practice Test)

5.11: Addition of decimals

5.12: Subtraction of decimals

5.13: Multiplication of decimals

5.14: Division of decimals

5.15: Estimation