Developing essential understanding of rational numbers for teaching mathematics in grades 3-5
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| 其他作者: | , , |
| 格式: | 工具包 |
| 語言: | English |
| 版: | 1a ed., 3a reimpresión |
| 叢編: | Essential Understanding
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| 主題: |
書本目錄:
- Relating Rational Numbers to Whole Numbers
- Shift 1—From unrelated system to natural extension
- Facilitating Shift 1
- Multiple Interpretations of Rational Numbers and Units
- Shift 2—From one model to many representations
- Facilitating Shift 2
- Understanding Rational Number Equivalence
- Shift 3—From whole number–based to equivalence-based comparisons
- Facilitating Shift
- Making Sense of Rational Number Operations
- Shift 4 From “rules” to sense making
- Facilitating Shift.