📝 Practice Worksheets
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✏️ Worked Examples — Decimal Division and Unit Price
🧠 Math Vocabulary
- Dividend: the number being divided.
- Divisor: the number you divide by.
- Quotient: the answer to a division problem.
- Unit Price: the cost for one unit of something.
- Place Value: the value of a digit based on its position in a number.
💡 Main Idea
This lesson focuses on dividing decimals using long division. When the divisor is a decimal, move its decimal point to the right until it becomes a whole number, and move the decimal in the dividend the same number of places. Then divide as usual. This process is especially useful in measurement problems and unit price situations, where division tells how many groups fit into a total or how much one unit costs.
📚 What You Should Already Know
Before this lesson, students should be comfortable with basic long division, multiplying by powers of 10, and understanding decimal place value. It also helps to know that adding a zero to the right of a decimal does not change the value of the number, but it can make the division setup easier to organize.
🚀 What Comes Next
After dividing decimals with long division, students can move into more complex word problems involving money, rates, unit price, and measurement. This also connects to ratio reasoning, proportional relationships, and multi-step real-world problems where decimal operations must be interpreted carefully.
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