
Belajar Perkalian
Authored by ADRIANA LASIBEY
Mathematics
2nd Grade
Used 1+ times

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6 questions
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1.
MULTIPLE SELECT QUESTION
3 mins • 2 pts
Ubah penjumlahan menjadi perkalian
5 + 5 + 5 = ...
5 + 3 = 15
3 X 5 = 15
3 X 5 = 16
Answer explanation
Perkalian adalah penjumlahan berulang. contoh:
3 X 5 = 15.
Penjelasan:
jumlah angka 5 ada 3 maka :
3 X 5 = 5 + 5 + 5 = 15
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Ubah perkalian tersebut ke penjumlahan
4 X 5 = ...
5 + 5 + 5 +5 = 20
4 + 4 + 4 + 4 + 5 = 20
4 + 5 + 4 + 5 = 18
Answer explanation
Ubap perkalian ke penjumlahan 4 X 5 = ...
cara pengerjaannya. rumus:
a X b = (b) di jumlahkan sebanyak (a) atau (a) di jumlahkan sebanyak (b) kali.
4 X 5 = 5 + 5 + 5 + 5 = 20 atau
4 X 5 = 4 X 4 X 4 X 4 X 4 = 20
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Tentukan nilai komutatif dari :
6 X 5 = ... X ... = ...
5 X 6 = 30
6 X 5 = 30
6 + 5 = 11
Answer explanation
sifat komutatif mengatakan bahwa urutan bilangan tidak akan mengubah hasil dalam perkalian. Jadi, urutan bilangan tidak dipermasalahkan ketika menjelaskan sebuah susunan. Komutatif adalah pertukaran tempat atau posisi. rumus ( a x b) = (b x a) =
6 X 5 = 5 X 6 = 30
penjelasan terjadinya perubahan posisi, yaitu posisi pertama : 6 X 5
posisi ke dua 5 X 6
tetapi hasil yang diperoleh tetap sama yaitu 30
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
4 X ... = 9 X ... = 36
4 x 4 = 9 x 9 = 36
4 X 9 = 9 X 4 = 36
4 X 9 = 4 X 9 = 36
Answer explanation
soal tersebut merupakan perkalian komutatif. dengan rumus (a x b = (b x a)
berarti : 4 X 9 = 9 X 4 = 36
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
34 X 0 = ...
34
0
43
Answer explanation
Dalam perkalian angka yang dikalikan dengan 0 (nol) hasilnya tetap 0 (nol)
6.
MULTIPLE SELECT QUESTION
3 mins • 2 pts
hasil perkalian dari 20 adalah ...
10 + 10
15 + 5
5 X 4
1 X 20
4 X 5
2 X 10
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