Latihan
Latihan tambahan
2 soalan untuk mengukuhkan unit Reka Corak. Jika salah, baca petunjuk dan cuba lagi.
Lengkapkan jadual. Corak ikan ini ada berapa segi tiga?
| Poligon | Bilangan |
|---|---|
| heksagon | 1 |
| segi tiga | ? |
统计三角形 = kira segi tiga
这条鱼的鱼尾有 2 个三角形,上下鱼鳍各 1 个三角形,所以三角形是 2 + 1 + 1 = 4 个。鱼身的六边形不是三角形,不能算进来;如果把它也算进去,就会错成 5。
例子:统计表里 heksagon 一行写 1,segi tiga 一行写 4。
注意:题目只问三角形,只数三角形。
counting triangles = kira segi tiga
The fish's tail has 2 triangles, and the fins above and below are 1 triangle each, so there are 2 + 1 + 1 = 4 triangles. The hexagon body is not a triangle and must not be counted; including it gives the wrong answer 5.
Example: in the tally table, the heksagon row shows 1 and the segi tiga row shows 4.
Watch out: the question asks only about triangles, so count only triangles.
Corak rama-rama ini menggunakan berapa heksagon?
统计六边形 = kira heksagon
蝴蝶身体是 2 个正方形,下面小翅膀是 2 个三角形,上面两片大翅膀才是六边形,左右各 1 个,一共 2 个。选 6 是把全部图形都算进去了。
例子:同一只蝴蝶,正方形 2 个、三角形 2 个、六边形 2 个。
注意:数六边形前,先用手指数一数它是不是有 6 条边。
counting hexagons = kira heksagon
The butterfly's body is 2 squares and its small lower wings are 2 triangles; only the two big upper wings are hexagons, one on each side, so there are 2. Choosing 6 counts every shape in the picture.
Example: this butterfly has 2 squares, 2 triangles and 2 hexagons.
Watch out: before counting a shape as a hexagon, check with your finger that it has 6 sides.
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