2nd grade · Math · Unit 16 of 16
Bar Graphs
Read and compare bar graphs
What your child practices
Reading bar graphs with four groups: how many more, how many fewer, how many in all, and which question a class survey can answer.
Arizona Academic Standards learning standard: 2.MD.D.10 · drawing and reading picture graphs and bar graphs to answer questions
How we explain it
Children can open this short lesson before they practice.
- Read each bar against the numbers on the side.
- Subtract to find how many more or fewer.
- Add the bars to find how many in all.
Example: Dogs: 12. Cats: 7. How many more chose dogs? 12 − 7 = 5. Answer: 5
Bar Graphs in Arizona
In the Arizona Academic Standards, this is unit 16 of 16 in 2nd grade Math, after Add & Subtract to 1000.
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.
Source: Arizona Department of Education
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 has the fewest?
Our pets - 🐱cat
- 🐶dog
- 🐟fish
- 🐦bird
🐶 dog
Hint: Find the shortest row. It has the fewest.
Question 2
How many more chose windy than sunny?
Our favorite weather - 15
- 12
- 14
- 11
12
Hint: windy: 16. sunny: 4. 16 − 4 = 12.
Question 3
How many chose fish?
Our pets - 8
- 7
- 10
- 12
10
Hint: Count the 🐟 in the fish row.
Question 4
Sort them: hot or cold?
Sort into: 🔥 Hot · 🧊 Cold
- 🔥campfire
- ⛄snowman
- ☀️sun
- 🧊ice
- 🍲hot soup
🔥 Hot: campfire, sun, hot soup · 🧊 Cold: snowman, ice
Hint: Look at each picture and ask which group it belongs in.
Question 5
How many answers are there in all?
Bugs we saw - 44
- 47
- 42
- 41
44
Hint: Add every row: 18 + 3 + 8 + 15 = 44.
Question 6
How many chose carrots or crackers?
Our favorite snack - 32
- 29
- 30
- 33
30
Hint: Put the two rows together: 13 + 17 = 30.