This grade 1 data worksheet answer key solves all 22 problems of the organizing and reading data worksheet step by step.
This answer key shows every step for the 22 data problems. Check each count, then check each subtraction. Say the answer in a full sentence, such as “3 more students chose dogs.”
Grade 1 Data Worksheet Answer Key: problems 1–5
Problem 1: Counting tally marks
Pizza has 1 crossed bundle and 2 extra marks. The bundle is 5. Count on: 5, 6, 7.
7 students chose pizza.
Problem 2: Drawing tally marks
Draw 1 crossed bundle for 5. Then draw 4 more marks. \(5 + 4 = 9\).
The tally marks show 9.
Problem 3: Reading a picture graph
Look at the Bananas row. Count the stars: 1, 2, 3.
3 students chose bananas.
Problem 4: Reading a bar graph
Find the top of the Red bar. Follow the line to the number on the left. It is 4.
4 students chose red.
Problem 5: Finding the most
The tallest bar is the biggest number. Tag has 9 votes. Soccer has 6 and jump rope has 4.
Tag got the most votes.
Grade 1 Data Worksheet Answer Key: problems 6–10
Problem 6: Finding the least
Count each row: Dog 6, Cat 4, Fish 2. The smallest number is 2.
Fish got the fewest votes.
Problem 7: Counting all the votes
Rainy is 3. Sunny is 5 and 4 more, which is 9. Cloudy is 5.
\(3 + 9 + 5 = 17\)
They counted 17 days in all.
Problem 8: How many more
Dogs: 9. Cats: 6. Subtract the smaller number from the larger number.
\(9 – 6 = 3\)
3 more students chose dogs.
Problem 9: How many fewer
Swimming: 7. Soccer: 4. Subtract: \(7 – 4 = 3\).
3 fewer students chose soccer.
Problem 10: Comparing tally marks
Cookies: 8. Cupcakes: 5. \(8 – 5 = 3\).
Cookies got 3 more votes than cupcakes.
Grade 1 Data Worksheet Answer Key: problems 11–15
Problem 11: Finding the same number
The Cars bar and the Trucks bar are the same height. Both reach 5.
Cars and trucks are the same. The number is 5.
Problem 12: Making a tally chart
Count red: 4. Count blue: 3. Count green: 1. Check: \(4 + 3 + 1 = 8\).
Red 4, blue 3, green 1.
Problem 13: Most and how many
Count each row: Walk 8, Bus 6, Car 4. The biggest number is 8.
Walking has the most. It is 8 students.
Problem 14: Bar graph to numbers
Read the top of each bar. Apples reach 4. Pears reach 6. Plums reach 2.
Apples 4, pears 6, plums 2.
Problem 15: Two more than
Stars: 3. Two more than 3 is \(3 + 2 = 5\). Hearts has 5.
Hearts has 2 more than stars.
Grade 1 Data Worksheet Answer Key: problems 16–20
Problem 16: Adding two groups
Red: 7. Blue: 6. Add the two numbers.
\(7 + 6 = 13\)
13 students chose red or blue.
Problem 17: Bake sale
Muffins: 9. Brownies: 4. \(9 – 4 = 5\).
5 more muffins than brownies were sold.
Problem 18: Little League practice
Hit: 8. Catch: 5. Run: 3.
\(8 + 5 = 13\), then \(13 + 3 = 16\).
16 players voted in all.
Problem 19: Farmers market
(a) Beans: 9. Peas: 5. \(9 – 5 = 4\).
(b) \(6 + 5 = 11\), then \(11 + 9 = 20\).
(a) 4 more bags of beans. (b) 20 bags in all.
Problem 20: Game day
Tag: 9. Four fewer than 9 is \(9 – 4 = 5\). Hopscotch has 5 votes.
Hopscotch has 4 fewer votes than tag.
Grade 1 Data Worksheet Answer Key: problems 21–22
Problem 21: Tie the vote
(a) \(8 – 5 = 3\). Fish needs 3 more votes.
(b) After the tie, both have 8. \(8 + 8 = 16\).
(a) 3 more votes. (b) 16 votes.
Problem 22: Library books
(a) \(7 + 5 = 12\), then \(12 + 4 = 16\).
(b) \(7 – 4 = 3\).
(a) 16 books. (b) 3 more books.
How to use this grade 1 data worksheet answer key
Read this grade 1 data worksheet answer key after trying each problem yourself, and redo any problem you missed.
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Grade 1 Organizing and Reading Data worksheet answer key
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