box puzzle
- 言語
- English
- 教科
- arithmetic
| 学年 | Grade2～8 |
|---|---|
| 単元 | ・Cuboids ・Volume of solids ・Fraction ・Art |
| 時間数 | 20min |
| ねらい | 1.Connecting between mathematics and art. 2.Learning through playing. 3.As students practice, measure, cut, paste, draw, rearrange, and atudy at same time. 4.Deduction of cuboids shape, properties, and volume. 5.Practice of adding fractions, subtractions, and equality. |
| 対象概念 | ・Puzzle ・Cuboid (shapes and properties) It has 12 edges (4 equal lengths, 4 equal widths, and 4 epula heights). ・Volume of solids. And volume of a cuboid. ・Fraction (practice practically) ・Meaning of each fraction of (1/6, 1/2, 1/3, 2/3, 5/6) ・Adding two fractions with result less than 1 like: 1/2+1/3, 1/3+1/6, 1/2+1/3+1/6 ・Subtracting fractions As 5/6-1/6, 5/6-1/2, 2/3-1/2, 1/2-1/3, 1-5/6 ・Equivalent fractions As 1=6/6, 1/2=3/6, 2/3=4/6, 1/3=2/6 |
| 必要な材料 | ・Match boxes or any small boxes ・Glue ・Scissors ・White paper ・Color box |
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| 教材の使い方 授業の流れ |
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| 留意点 | |
| 出典 | 手づくりおもちゃ事典 |
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