2nd grade · Math · Unit 9 of 17
Fractions of a Whole
Equal parts: halves, thirds, fourths and more
What your child practices
A fraction names equal parts of one whole. Children read unit fractions such as 1/4 and 1/8, learn that more equal parts means smaller parts, and name fractions like 3/4 from a picture. All wholes are cut into 10 or fewer equal parts.
Alabama Course of Study content standard: 2.27 · splitting circles and rectangles into halves, thirds and fourths
How we explain it
Children can open this short lesson before they practice.
- The bottom number tells how many equal parts.
- The top number tells how many parts we mean.
- 1/4 is one of four equal parts.
Example: A pizza has 3 equal slices. What fraction is one slice? There are 3 equal parts. One slice is 1 of 3. Answer: 1/3
Fractions of a Whole in Alabama
In the Alabama Course of Study, this is unit 9 of 17 in 2nd grade Math, after Numbers to 1000 and before Skip Counting.
Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Which shape is cut into equal parts?
✂️- a square with no lines
- a square cut into 4 parts of different sizes
- a square cut into 4 parts that are all the same size
a square cut into 4 parts that are all the same size
Hint: Fractions need equal parts: every part is the same size.
Question 2
2/3 of a bar is shaded. What fraction is NOT shaded?
- 2/3
- 3/4
- 1/3
1/3
Hint: 3 parts in all, and 2 are shaded. The rest are 1.
Question 3
What fraction of the shape is shaded?
- 5/8
- 5/7
- 5/6
5/7
Hint: Count all the equal parts: 7. Then count the shaded ones: 5.
Question 4
A pizza is cut into 6 equal slices. What fraction is one slice?
🍕- 1/7
- 6/1
- 1/6
1/6
Hint: One slice is one of the equal parts.
Question 5
Which fraction is one seventh?
- 1/7
- 1/8
- 1/6
1/7
Hint: One seventh is 1 of 7 equal parts.
Question 6
Which is the bigger piece: 1/6 or 1/8?
- 1/6
- 1/8
1/6
Hint: The same whole cut into fewer equal parts gives bigger parts.