Addition and subtraction of fractions with different denominators. Work #3: Multiplication and division of ordinary fractions. Work #4: Relations and proportions; percentages. Work #5: Positive and negative numbers; coordinates. Work #6: Addition and subtraction of rational numbers. Work #7: Multiplication and division of rational numbers. Work #8: Solving equations and word problems. 💡 Example: Solving a Proportion (Typical Work #4 Task)
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