Comparing Fractions Flashcards

Grade 3 · Math · Flashcards

Practice comparing fractions with key rules and examples.

Flashcards

Same denominator rule: Larger numerator = larger fraction. Ex: 5/8 > 3/8.
Same numerator rule: Smaller denominator = larger fraction. Ex: 1/3 > 1/5.
Benchmark 1/2: Numerator = half the denominator. Ex: 3/6, 4/8, 2/4 all equal 1/2.
Is 3/4 > 1/2?: Yes — 3 is more than half of 4.
Is 2/8 < 1/2?: Yes — 2 is less than half of 8.
> symbol: Greater than. The open side always faces the larger number.
< symbol: Less than. The point faces the smaller number.
1/3 vs. 1/4 — which is greater?: 1/3 — thirds are bigger pieces than fourths.
5/6 vs. 5/8 — which is greater?: 5/6 — same numerator; sixths are bigger pieces than eighths.
2/4 vs. 1/2: Equal — 2/4 simplifies to 1/2.
Least to greatest: 3/8, 1/8, 7/8: 1/8, 3/8, 7/8 — same denominator, so order by numerator.
Is 1/6 > 1/4?: No — sixths are smaller pieces than fourths. 1/6 < 1/4.
How to compare 2/5 and 3/7: Compare each to 1/2: 2/5 < 1/2 (2 < 2.5) and 3/7 < 1/2 (3 < 3.5). Then get a common denominator.
Fractions equal to 1/2: 2/4, 3/6, 4/8, 5/10 — numerator is exactly half the denominator.