Fractions: Halves, Thirds, and Fourths — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. The fraction 12 is read as one half.
One out of two equal parts is called one-half, written as 12.
2. The fraction 13 is read as one third.
One out of three equal parts is called one-third, written as 13.
3. The fraction 14 is read as one fourth.
One out of four equal parts is called one-fourth, written as 14.
4. In the fraction 14, the number on the bottom is 4.
The bottom number (denominator) tells the total number of equal parts. In 14, the whole is divided into 4 equal parts.
5. In the fraction 12, the number on the top is 1.
The top number (numerator) tells how many parts are chosen. In 13, one part out of three is selected.
6. A sandwich cut into 3 equal parts gives 3 thirds.
The denominator of 13 is 3, meaning the whole is split into 3 equal parts.
7. One-half of 6 crayons is 3 crayons.
Thirds means the whole is divided into 3 equal pieces.
8. The bottom number in a fraction tells how many equal parts.
Fractions require that the whole is divided into parts of the same size.
9. One-fourth of 8 stickers is 2 stickers.
Two halves put together equal one whole. However, the answer here refers to the number of halves needed: 2 halves = 1 whole.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
12
→ one part out of 2 equal parts
one part out of 4 equal parts
13
→ one part out of 3 equal parts
one part out of 2 equal parts
14
→ one part out of 4 equal parts
two parts out of 4 equal parts
24
→ two parts out of 4 equal parts
one part out of 3 equal parts
Each fraction tells how many parts are selected (top number) out of the total equal parts (bottom number).