Worked example
A picture graph uses one star for 2 books. A row contains 3 complete stars. How many books does that row represent?
Answer & why
Answer: 6
The key says each star represents 2. 3 × 2 = 6 books.
Grade 3 · Math
Read a scaled picture graph
Use a graph key to turn a number of complete symbols into a data value.
6 authored questions + worked example
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All questions
All 6 authored questions for this skill.
Question 1
A picture graph uses one star for 2 seeds. A row contains 6 complete stars. How many seeds does that row represent?
- 13
- 11
- 14
- 12
A hint
Read the key before counting; a symbol can represent more than one item.
Answer & why
Answer: 12
The key says each star represents 2. 6 × 2 = 12 seeds.
Question 2
A picture graph uses one star for 4 tickets. A row contains 5 complete stars. How many tickets does that row represent?
- 20
- 22
- 19
- 21
A hint
Read the key before counting; a symbol can represent more than one item.
Answer & why
Answer: 20
The key says each star represents 4. 5 × 4 = 20 tickets.
Question 3
A picture graph uses one star for 3 shells. A row contains 7 complete stars. How many shells does that row represent?
- 23
- 20
- 22
- 21
A hint
Read the key before counting; a symbol can represent more than one item.
Answer & why
Answer: 21
The key says each star represents 3. 7 × 3 = 21 shells.
Question 4
A picture graph uses one star for 5 bottles. A row contains 8 complete stars. How many bottles does that row represent?
- 39
- 41
- 40
- 42
A hint
Read the key before counting; a symbol can represent more than one item.
Answer & why
Answer: 40
The key says each star represents 5. 8 × 5 = 40 bottles.
Question 5
A picture graph uses one star for 2 books. A row contains 3 complete stars. How many books does that row represent?
- 5
- 6
- 8
- 7
A hint
Read the key before counting; a symbol can represent more than one item.
Answer & why
Answer: 6
The key says each star represents 2. 3 × 2 = 6 books.
Question 6
A picture graph uses one star for 5 votes. A row contains 4 complete stars. How many votes does that row represent?
- 19
- 22
- 21
- 20
A hint
Read the key before counting; a symbol can represent more than one item.
Answer & why
Answer: 20
The key says each star represents 5. 4 × 5 = 20 votes.