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| Rational numbers | |
| Identifying rational and irrational numbers |  |
| Simplifying fractions | |
| Lowest common denominator | |
| Rounding mixed numbers | |
| Absolute value of rational numbers | |
| Converting decimals to fractions | |
| Converting fractions (denominator is a power of ten) to decimals | |
| Converting fractions to decimals | |
| Repeating decimals | |
| Comparing fractions | |
| Ordering fractions | |
| Adding and subtracting fractions with like denominators | |
| Adding fractions with different denominators | |
| Adding mixed numbers with different denominators | |
| Subtracting fractions with different denominators | |
| Subtracting mixed numbers with different denominators | |
| Adding and subtracting fractions: word problems | |
| Reciprocals and multiplicative inverses | |
| Finding a fraction of a whole number | |
| Multiplying fractions | |
| Dividing fractions | |
| Mixed operations involving fractions | |
| Multiplying and dividing fractions: word problems | |
| Mixed operations involving rational numbers | |
