Matematika dalam bahasa Inggris bukan hanya soal angka. Ada kosakata khusus untuk operasi hitung, bentuk soal, dan cara membaca persamaan. Bagian ini memberikan contoh soal dari berbagai tingkat, dari dasar hingga menengah, lengkap dengan terjemahan dan jawaban.
1. Kosa Kata Dasar Matematika
Sebelum mengerjakan soal, hafal istilah ini:
| Operasi / Istilah | Bahasa Inggris | Simbol/Cara Baca |
|---|---|---|
| Penjumlahan | Addition | plus atau and (+) |
| Pengurangan | Subtraction | minus atau take away (−) |
| Perkalian | Multiplication | times atau multiplied by (×) |
| Pembagian | Division | divided by (÷) |
| Sama dengan | Equals | equals atau is (=) |
| Lebih besar | Greater than | greater than (>) |
| Lebih kecil | Less than | less than (<) |
| Akar kuadrat | Square root | the square root of (√) |
| Pangkat dua | Squared | squared (²) |
| Pangkat tiga | Cubed | cubed (³) |
| Persen | Percent | percent (%) |
| Pecahan | Fraction | fraction |
| Bilangan bulat | Whole number | whole number |
| Desimal | Decimal | decimal |
2. Contoh Soal Operasi Dasar
Addition (Penjumlahan)
Soal:
What is 24 + 36?
Cara baca:
What is twenty-four plus thirty-six?
Jawaban:
24 + 36 = 60
Subtraction (Pengurangan)
Soal:
What is 85 − 27?
Cara baca:
What is eighty-five minus twenty-seven?
Jawaban:
85 − 27 = 58
Multiplication (Perkalian)
Soal:
What is 12 × 8?
Cara baca:
What is twelve times eight?
Jawaban:
12 × 8 = 96
Division (Pembagian)
Soal:
What is 144 ÷ 12?
Cara baca:
What is one hundred forty-four divided by twelve?
Jawaban:
144 ÷ 12 = 12
3. Contoh Soal Cerita (Word Problems)
Soal Cerita 1: Jumlah
Soal:
There are 45 students in class A and 38 students in class B. How many students are there in total?
Terjemahan:
Ada 45 siswa di kelas A dan 38 siswa di kelas B. Berapa total siswa semuanya?
Cara mengerjakan:
To find the total, we add the two numbers.
45 + 38 = 83
Jawaban:
There are 83 students in total.
Soal Cerita 2: Selisih
Soal:
A bakery sold 250 loaves of bread on Monday and 180 loaves on Tuesday. How many more loaves were sold on Monday than Tuesday?
Terjemahan:
Toko roti menjual 250 roti pada Senin dan 180 roti pada Selasa. Berapa lebih banyak roti yang terjual pada Senin daripada Selasa?
Cara mengerjakan:
To find the difference, subtract the smaller number from the larger number.
250 − 180 = 70
Jawaban:
70 more loaves were sold on Monday.
Soal Cerita 3: Perkalian
Soal:
A bus can carry 45 passengers. If there are 6 buses, how many passengers can they carry in total?
Terjemahan:
Sebuah bus dapat mengangkut 45 penumpang. Jika ada 6 bus, berapa total penumpang yang dapat diangkut?
Cara mengerjakan:
Multiply the number of passengers per bus by the number of buses.
45 × 6 = 270
Jawaban:
They can carry 270 passengers in total.
Soal Cerita 4: Pembagian
Soal:
A shop has 96 apples. They want to pack them equally into 8 baskets. How many apples are in each basket?
Terjemahan:
Sebuah toko memiliki 96 apel. Mereka ingin mengemasnya secara merata ke dalam 8 keranjang. Berapa apel di setiap keranjang?
Cara mengerjakan:
To find equal shares, divide the total apples by the number of baskets.
96 ÷ 8 = 12
Jawaban:
There are 12 apples in each basket.
4. Contoh Soal Pecahan (Fractions)
Soal 1: Penjumlahan Pecahan
Soal:
What is 3/4 + 1/2?
Cara baca:
What is three-quarters plus one-half?
Cara mengerjakan:
Find a common denominator (4).
3/4 = 3/4
1/2 = 2/4
3/4 + 2/4 = 5/4 = 1 1/4
Jawaban:
5/4 or 1 1/4
Soal 2: Pecahan dalam Soal Cerita
Soal:
Rina ate 2/5 of a cake. Her brother ate 1/5 of the same cake. What fraction of the cake did they eat in total?
Terjemahan:
Rina makan 2/5 bagian dari sebuah kue. Adiknya makan 1/5 bagian dari kue yang sama. Berapa bagian kue yang mereka makan total?
Cara mengerjakan:
Add the fractions.
2/5 + 1/5 = 3/5
Jawaban:
They ate 3/5 of the cake in total.
Soal 3: Pecahan Sisa
Soal:
Andi has 7/8 of a liter of milk. He uses 3/8 of a liter for cooking. How much milk is left?
Terjemahan:
Andi memiliki 7/8 liter susu. Dia menggunakan 3/8 liter untuk memasak. Berapa sisa susu?
Cara mengerjakan:
Subtract the fractions.
7/8 − 3/8 = 4/8 = 1/2
Jawaban:
1/2 liter of milk is left.
5. Contoh Soal Desimal (Decimals)
Soal 1: Penjumlahan Desimal
Soal:
What is 2.5 + 3.7?
Jawaban:
6.2
Soal 2: Pengurangan Desimal
Soal:
What is 10.0 − 3.25?
Jawaban:
6.75
Soal 3: Soal Cerita Desimal
Soal:
A liter of milk costs $1.20. If you buy 3 liters, how much do you pay?
Terjemahan:
Harga satu liter susu adalah $1.20. Jika kamu membeli 3 liter, berapa yang harus dibayar?
Cara mengerjakan:
Multiply 1.20 × 3 = 3.60
Jawaban:
$3.60
6. Contoh Soal Persentase (Percentages)
Soal 1: Mencari Persentase
Soal:
What is 25% of 200?
Cara mengerjakan:
200 × 25/100 = 50
Jawaban:
50
Soal 2: Soal Cerita Persentase
Soal:
A classroom has 40 students. 60% of them are girls. How many girls are in the class?
Terjemahan:
Sebuah kelas memiliki 40 siswa. 60% di antaranya adalah perempuan. Berapa jumlah perempuan di kelas?
Cara mengerjakan:
40 × 60/100 = 24
Jawaban:
There are 24 girls.
7. Contoh Soal Perbandingan (Comparison / Ratio)
Soal 1: Rasio Sederhana
Soal:
The ratio of boys to girls in a class is 3:2. If there are 15 boys, how many girls are there?
Terjemahan:
Rasio jumlah laki-laki dan perempuan di suatu kelas adalah 3:2. Jika ada 15 laki-laki, berapa jumlah perempuan?
Cara mengerjakan:
The ratio 3:2 means for every 3 boys, there are 2 girls.
If 15 boys = 3 × 5, then girls = 2 × 5 = 10.
Jawaban:
There are 10 girls.
8. Contoh Soal Pangkat dan Akar (Exponents & Roots)
Soal 1: Kuadrat
Soal:
What is 8 squared?
Cara baca:
What is eight squared?
Jawaban:
64 (because 8 × 8 = 64)
Soal 2: Akar Kuadrat
Soal:
What is the square root of 81?
Cara baca:
What is the square root of eighty-one?
Jawaban:
9 (because 9 × 9 = 81)
9. Contoh Soal Angka Besar
Soal 1: Penjumlahan
Soal:
What is 1,235 + 4,567?
Jawaban:
5,802
Soal 2: Pengurangan
Soal:
What is 10,000 − 3,456?
Jawaban:
6,544
10. Contoh Soal Kombinasi Berbagai Operasi
Soal:
What is (12 + 8) × 5?
Cara baca:
What is the sum of twelve and eight, multiplied by five?
Cara mengerjakan:
12 + 8 = 20
20 × 5 = 100
Jawaban:
100
11. Latihan Jawaban Singkat (Answer in English)
Jawab soal berikut dalam bahasa Inggris:
- What is 30 + 45? → Seventy-five
- What is 100 − 37? → Sixty-three
- What is 6 × 7? → Forty-two
- What is 56 ÷ 8? → Seven
- What is 15% of 200? → Thirty
- What is 2/3 + 1/6? → 5/6
- What is the square root of 64? → Eight
- What is 25% of 400? → One hundred
12. Cara Membaca Persamaan Matematika
| Persamaan | Cara Baca |
|---|---|
| 3 + 5 = 8 | Three plus five equals eight. |
| 12 − 7 = 5 | Twelve minus seven equals five. |
| 4 × 6 = 24 | Four times six equals twenty-four. |
| 20 ÷ 5 = 4 | Twenty divided by five equals four. |
| 2³ = 8 | Two cubed equals eight. |
| √25 = 5 | The square root of twenty-five is five. |
| 15% of 200 = 30 | Fifteen percent of two hundred is thirty. |
13. Contoh Dialog Menggunakan Soal Matematika
Guru: What is 25 plus 37?
Siswa: That is 62.
Guru: Correct. Now, what is 62 minus 14?
Siswa: That is 48.
Guru: Excellent. Now multiply 48 by 2.
Siswa: That is 96.
Proyek Akhir: Buat 3 Soalmu Sendiri
Buat 3 soal matematika dalam bahasa Inggris:
- Satu soal penjumlahan (addition)
- Satu soal cerita perkalian (multiplication story)
- Satu soal pembagian (division story)
Contoh:
- What is 46 + 38? → 84
- A box contains 24 oranges. If there are 5 boxes, how many oranges are there in total? → 120
- A teacher has 72 pencils. She gives them equally to 9 students. How many pencils does each student get? → 8
Soal matematika dalam bahasa Inggris menggunakan istilah spesifik:
- Plus / And (+)
- Minus / Take away (−)
- Times / Multiplied by (×)
- Divided by (÷)
- Equals / Is (=)
- Percent of (%)
- Square root of (√)
- Squared / Cubed (² / ³)
Soal cerita (word problems) menggunakan bahasa natural dan harus dipecah menjadi operasi matematika. Latihan membaca dan mengucapkan persamaan membantu meningkatkan kefasihan angka dalam bahasa Inggris.