μμ΄λ‘ 3/4λ μ΄λ»κ² μ½μ§? / μμ΄λ‘ λΆμ(Fractions) μ½λ λ²!
κΈ°μμ μμ λ°°μ°κ³ μ€κΈ°
https://maryable9.tistory.com/175
μμ΄ κΈ°μ(Cardinal Numbers) & μμ(Ordinal Numbers) μλ²½ μ 리
μμ΄ κΈ°μ(Cardinal Numbers) & μμ(Ordinal Numbers) μλ²½ μ 리μμ΄μμ **κΈ°μ(Cardinal Numbers)**μ **μμ(Ordinal Numbers)**λ μ«μλ₯Ό λνλΌ λ νμμ μΌλ‘ μ¬μ©λλ κ°λ μ΄μμ. 1. κΈ°μ (Cardinal Numbers) – “
maryable9.tistory.com
μμ΄μμ λΆμ(Fractions) μ½λ λ²
μμ΄μμ λΆμλ₯Ό μ½μ λ
λΆμ(numerator)λ κΈ°μ(Cardinal Numbers)λ₯Ό μ¬μ©νκ³ ,
λΆλͺ¨(denominator)λ μμ(Ordinal Numbers)λ₯Ό μ¬μ©ν©λλ€.
1. κΈ°λ³Έμ μΈ λΆμ μ½λ λ²
π κΈ°λ³Έ 곡μ:
“λΆμ (Cardinal) + λΆλͺ¨ (Ordinal)
β μμ:
1/2 | one half |
1/3 | one third |
1/4 | one fourth (λλ one quarter) |
1/5 | one fifth |
1/6 | one sixth |
1/7 | one seventh |
1/8 | one eighth |
1/9 | one ninth |
1/10 | one tenth |
π‘ νΉμ΄ν κ²½μ°:
- 1/2λ one halfλΌκ³ μ½μ΄μ.
- 1/4λ one fourth λλ one quarterλΌκ³ ν΄μ.
2. λΆμκ° 2 μ΄μμΌ λ
π λΆμκ° 2 μ΄μμ΄λ©΄, λΆλͺ¨μ 볡μν(-s)μ λΆμ λλ€.
β μμ:
λΆμμμ΄ μ½λ λ²
2/3 | two thirds |
3/4 | three fourths (λλ three quarters) |
4/5 | four fifths |
5/6 | five sixths |
7/8 | seven eighths |
9/10 | nine tenths |
π‘ Tip:
- 1/3 → one third (λ¨μ)
- 2/3 → two thirds (볡μ)
- λΆμκ° 2 μ΄μμΌ λλ μμ λ€μ "-s"λ₯Ό λΆμ¬ 볡μνμΌλ‘ λ§λ€μ΄μΌ ν΄μ.
3. 볡μ‘ν λΆμ (λλΆμ, 100 μ΄μ)
π λλΆμ(Mixed Fractions) → “μ μ + and + λΆμ”
β μμ:
1 1/2 | one and one-half |
2 3/4 | two and three-fourths |
5 7/8 | five and seven-eighths |
π 100 μ΄μ λΆλͺ¨κ° μλ κ²½μ° → κΈ°μ(λΆμ) + κΈ°μ(λΆλͺ¨)
β μμ:
3/100 | three one-hundredths |
7/1,000 | seven one-thousandths |
12/10,000 | twelve ten-thousandths |
π‘ 100 μ΄μμΌ λλ λΆλͺ¨λ₯Ό κΈ°μλ‘ μ½κ³ , “-ths”λ₯Ό λΆμ΄λ©΄ λΌμ!
4. μμ(Decimals) μ½λ λ²
π μμλ “point”λ₯Ό μ¬μ©νμ¬ μ½μ΄μ.
β μμ:
μμμμ΄ μ½λ λ²
0.5 | zero point five (λλ a half) |
0.25 | zero point two five (λλ a quarter) |
3.14 | three point one four |
7.89 | seven point eight nine |
π‘ Tip:
- 0.5 = a half
- 0.25 = a quarter
- 1.5 = one and a half
5. λΆμ vs μμ μ°¨μ΄μ μ 리
νν λ°©μμμμμ΄ μ½λ λ²
λΆμ | 3/4 | three-fourths (three-quarters) |
μμ | 0.75 | zero point seven five |
λλΆμ | 2 1/2 | two and one-half |
π μ 리 & ν΅μ¬ ν¬μΈνΈ
β
λΆμ = "λΆμ(Cardinal) + λΆλͺ¨(Ordinal)"
β
λΆμκ° 2 μ΄μμ΄λ©΄ μμμ “-s”λ₯Ό λΆμ
β
λλΆμλ "μ μ + and + λΆμ" ννλ‘ μ½μ
β
100 μ΄μμ κΈ°μλ‘ μ½κ³ "-ths" λΆμ΄κΈ°
β
μμλ “point”λ‘ μ½μ!