1st Grade Organizing and Reading Data Worksheet Solutions (PDF)

This grade 1 data answers for 1st Grade covers organizing and reading data (Common Core 1.MD.C.4), with a free PDF to print.
This answer key shows every step for the 20 data problems. Check each count, each total, and each how many more or how many fewer. Fix any mistake and try the problem again.
Grade 1 · Common Core State Standards: 1.MD.C.4
Grade 1 data answers: exercises 1 to 10
Exercise 1 – Count the tally marks
One group of five and 2 more lines: \(5 + 2 = 7\).
7 stickers
Exercise 2 – Draw tally marks
\(9 = 5 + 4\). There is one full group of five.
1 group of five
Exercise 3 – Read a tally chart
Count the lines in the puzzles row: 1, 2, 3.
3 children
Exercise 4 – Find the most
Beans have 4, peas have 8, and corn has 2. The biggest number is 8.
Peas
Exercise 5 – Read a picture graph
Count the circles in the pizza row.
5 children
Exercise 6 – Find the fewest
Red has 4, blue has 6, and green has 2. The smallest number is 2.
Green
Exercise 7 – Read a bar graph
The swimming bar stops at 5.
5 children
Exercise 8 – Match the number
Pears stop at 3. Plums stop at 7. Figs stop at 5.
Figs
Exercise 9 – Find the total
Add the three groups: \(5 + 4 = 9\), then \(9 + 3 = 12\).
12 children
Exercise 10 – How many more
Frogs: 7. Turtles: 4. Take away: \(7 – 4 = 3\).
3 more frogs
Exercises 11 and up
Exercise 11 – How many fewer
Nuts: 6. Raisins: 3. Take away: \(6 – 3 = 3\).
3 fewer children
Exercise 12 – Compare the votes
Red has one group of five and 4 more, so 9. Blue has one group of five, so 5. \(9 – 5 = 4\).
4 more votes
Exercise 13 – Add two groups
Hats: 4. Scarves: 5. Add: \(4 + 5 = 9\).
9 items
Exercise 14 – Same amount
Kickball stops at 4. Tag stops at 6. Hide-and-seek stops at 4.
Kickball and hide-and-seek
Exercise 15 – Missing votes
Pretzels and grapes: \(5 + 4 = 9\). Take that from 12: \(12 – 9 = 3\).
3 friends
Exercise 16 – Make a picture graph
\(3 + 6 = 9\), then \(9 + 2 = 11\).
11 flowers
Exercise 17 – Two-step bar graph
- \(8 – 3 = 5\). 5 more children
- \(6 + 3 = 9\). 9 children
Exercise 18 – Lunch change
Cold lunch now: \(6 + 2 = 8\). Then take away: \(9 – 8 = 1\).
1 more child
Exercise 19 – Three groups in all
- \(4 + 7 = 11\), then \(11 + 5 = 16\). 16 children
- The biggest number is 7. Sandwich
Exercise 20 – Check the claim
Drums: 8. Bells: 3. \(8 – 3 = 5\).
Yes, Maya is right.
Key facts behind this grade 1 data answers
- Data is information we collect, such as votes.
- A tally mark is one line for one vote, and every fifth line crosses four lines.
- In a picture graph, each picture stands for one vote.
- In a bar graph, a taller bar means more votes.
- Add to find the total. Take away to find how many more or how many fewer.
How to use this grade 1 data answers
Cover each solution, solve the exercise again, then uncover it and compare every line. If your answer differs, find the first step that changed and redo the exercise from there.
All Grade 1 chapters: Grade 1 math.























