Fractions and Decimals

Expressing parts: half, quarter, third, 0.5, 2.75

intermediate

When to Use

•Simple fractions: half (1/2), quarter (1/4), third (1/3).
•Other fractions: cardinal + ordinal. Two thirds (2/3), three quarters (3/4).
•Decimals: point + individual digits. 3.5 = three point five.
•Percentages: number + percent. 50% = fifty percent.
•With nouns: half of the, a quarter of, two thirds of.

How to Form

Affirmative (+)

Fraction/decimal + of + noun; Noun + is + fraction/decimal

Negative (-)

Same structure with negation

Question (?)

What fraction/percentage...?

💡 Half = 1/2 (not 'one second'). Quarter = 1/4 (not 'one fourth' usually).

Examples

✓Two thirds of the students passed.

✗Two third of the students passed.

Plural: thirds (not third) for 2/3.

✓The price is 3.99 (three point nine nine).

✗The price is 3.99 (three point ninety-nine).

Say each digit after the point.

✓Half of the cake is gone.

✗A half of the cake is gone.

Half (not a half) before 'of'.

Common Mistakes

💡 Practice Tips

• 1/2 = a half, 1/4 = a quarter, 1/3 = a third.
• 2/3 = two thirds, 3/4 = three quarters.
• Decimals: say 'point' then each digit (3.14 = three point one four).
• Percentages: number + percent (25% = twenty-five percent).

cardinal-ordinal dates-times countable-uncountable 📝 numbers-intermediate 📝 fractions-decimals-quiz

Fractions and Decimals

Expressing parts: half, quarter, third, 0.5, 2.75

intermediate

When to Use

•Simple fractions: half (1/2), quarter (1/4), third (1/3).
•Other fractions: cardinal + ordinal. Two thirds (2/3), three quarters (3/4).
•Decimals: point + individual digits. 3.5 = three point five.
•Percentages: number + percent. 50% = fifty percent.
•With nouns: half of the, a quarter of, two thirds of.

How to Form

Affirmative (+)

Fraction/decimal + of + noun; Noun + is + fraction/decimal

Negative (-)

Same structure with negation

Question (?)

What fraction/percentage...?

💡 Half = 1/2 (not 'one second'). Quarter = 1/4 (not 'one fourth' usually).

Examples

✓Two thirds of the students passed.

✗Two third of the students passed.

Plural: thirds (not third) for 2/3.

✓The price is 3.99 (three point nine nine).

✗The price is 3.99 (three point ninety-nine).

Say each digit after the point.

✓Half of the cake is gone.

✗A half of the cake is gone.

Half (not a half) before 'of'.

Common Mistakes

💡 Practice Tips

• 1/2 = a half, 1/4 = a quarter, 1/3 = a third.
• 2/3 = two thirds, 3/4 = three quarters.
• Decimals: say 'point' then each digit (3.14 = three point one four).
• Percentages: number + percent (25% = twenty-five percent).

cardinal-ordinal dates-times countable-uncountable 📝 numbers-intermediate 📝 fractions-decimals-quiz

Fractions and Decimals

When to Use

How to Form

Examples

Common Mistakes

💡 Practice Tips

Related

Fractions and Decimals

When to Use

How to Form

Examples

Common Mistakes

💡 Practice Tips

Related

When to Use

How to Form

Examples

Common Mistakes

✗one second

✗three point fifty

✗the half of

💡 Practice Tips

Related

When to Use

How to Form

Examples

Common Mistakes

✗one second

✗three point fifty

✗the half of

💡 Practice Tips

Related