Bar models are visual tools that help solve math problems. They use rectangles to represent numbers and relationships between them. In Grade 3, bar models are great for understanding addition, subtraction, multiplication, and division. They make word problems much easier to picture and solve! Think of them as drawing a picture of the math problem.
| Term | Definition |
|---|---|
| 1. Sum | A. The answer to a subtraction problem. |
| 2. Difference | B. A way to visually represent math problems using rectangles. |
| 3. Bar Model | C. The answer to an addition problem. |
| 4. Product | D. Separating into equal groups. |
| 5. Division | E. The answer to a multiplication problem. |
Match each term with its definition.
Bar models are useful for solving __________ problems. They use __________ to represent numbers. In a bar model, a longer bar usually represents a __________ number, while a shorter bar represents a __________ number. Bar models help us __________ the problem.
Explain in your own words how using a bar model can help you solve a word problem that seems difficult. Give an example.
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