Unit 29

Bahagi

12 objek dikongsi kepada 3 kumpulan sama banyak memberi 4 objek setiap kumpulan.

Langkah 1

Kongsi sama banyak

12 objek dikongsi kepada 3 kumpulan sama banyak memberi 4 objek setiap kumpulan.

12 ÷ 3 = 4

Kongsi sama banyak = 平均分
除法可以表示把东西平均分给几组。12 个东西平均分成 3 组，一个一个轮流放。每组最后都有 4 个，所以 12 ÷ 3 = 4。
例子：10 颗糖平均分给 2 个人，每人 5 颗：10 ÷ 2 = 5。
注意：每组一定要一样多，分得不平均就不是除法的答案。

Kongsi sama banyak = Share equally
Division can mean sharing things equally among groups. Share 12 objects into 3 groups, one at a time. Each group ends up with 4, so 12 ÷ 3 = 4.
Example: 10 sweets shared equally between 2 children gives each child 5: 10 ÷ 2 = 5.
Watch out: Every group must get the same amount; uneven sharing does not give a division answer.

Langkah 2

Bina kumpulan

12 objek dikumpul empat-empat menghasilkan 3 kumpulan. Ini sama dengan tolak berturut-turut: 12 − 4 − 4 − 4 = 0.

Bina kumpulan = 分组
除法也可以问“能分成几组”。12 个东西每 4 个围成一组，可以围成 3 组，所以 12 ÷ 4 = 3。这时答案是组数，不是每组的个数。
例子：20 支笔每 5 支捆一捆，可捆 4 捆：20 ÷ 5 = 4。
注意：分清题目问的是“几组”还是“每组几个”。

Bina kumpulan = Make groups
Division can also ask how many groups can be made. When 12 objects are put into groups of 4, we get 3 groups, so 12 ÷ 4 = 3. Here the answer is the number of groups, not how many are in each group.
Example: 20 pencils tied in bundles of 5 make 4 bundles: 20 ÷ 5 = 4.
Watch out: Check whether the question asks for the number of groups or the number in each group.

Langkah 3

Semak dengan darab

Darabkan jawapan dengan pembahagi untuk mendapatkan nombor asal.

12 ÷ 3 = 4 · 4 × 3 = 12

Semak dengan darab = 用乘法检查
除法算完后，把答案乘以除数。如果得回原来的数，答案就对了。12 ÷ 3 = 4，检查 4 × 3 = 12，正好回到 12。
例子：18 ÷ 6 = 3，检查 3 × 6 = 18，正确。
注意：检查时要乘的是除数，不是乘原来的数。

Semak dengan darab = Check with multiplication
After dividing, multiply your answer by the number you divided by. If you get back the starting number, the answer is right. For 12 ÷ 3 = 4, check 4 × 3 = 12.
Example: 18 ÷ 6 = 3. Check: 3 × 6 = 18, correct.
Watch out: Multiply by the divisor, not by the starting number, when checking.

Semak cepat · Soalan 1 / 2

Cuba sendiri

Pilih jawapan. Jika belum tepat, baca petunjuk dan cuba lagi.

12 objek dikongsi sama banyak kepada 3 kumpulan. Setiap kumpulan ada…

Kongsi kepada 3 kumpulan = 分成 3 组
题目说 12 个东西平均分给 3 组，问每组有几个。这是平均分，要用 12 ÷ 3。可以画 3 个圈，把 12 个点轮流放进去，最后数一个圈里有几点。
例子：15 ÷ 3 = 5，15 个点平均放进 3 个圈，每圈 5 点。
注意：轮流放的时候每次每圈只放一个，不能一次放好几个。

Kongsi kepada 3 kumpulan = Share into 3 groups
The question shares 12 objects equally into 3 groups and asks how many are in each group. This is sharing, so work out 12 ÷ 3. Deal 12 dots one at a time into 3 circles, then count one circle.
Example: 15 ÷ 3 = 5, because 15 dots dealt into 3 circles give 5 in each.
Watch out: Deal only one dot into each circle at a time, so the circles stay equal.

Semak cepat · Soalan 2 / 2

Cuba sendiri

Pilih jawapan. Jika belum tepat, baca petunjuk dan cuba lagi.

15 objek dikumpul lima-lima. Ada __ kumpulan.

Dikumpul lima-lima = 每五个一组
题目说 15 个东西每 5 个一组，问能分成几组。这是分组的除法：15 ÷ 5。可以从 15 开始每次拿走 5，数一数拿了几次才拿完。
例子：12 个东西每 6 个一组，12 ÷ 6 = 2 组。
注意：每次拿走的数量要一样，最后要刚好拿完，不能剩下。

Dikumpul lima-lima = Grouped in fives
The question puts 15 objects into groups of five and asks how many groups there are. This is grouping, so work out 15 ÷ 5. Start at 15 and take away 5 each time, counting how many times until nothing is left.
Example: 12 objects in groups of 6 make 2 groups: 12 ÷ 6 = 2.
Watch out: Keep taking away the same amount each time until you reach zero exactly.

Ringkasan

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Ingat: kongsi sama banyak; bina kumpulan; semak dengan darab.

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