Simple Graphs

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Answer Key & Explanations

Simple Graphs · Grade 1 · Worksheet 3

1. Liam has 8 toy cars. For his birthday, his grandma gives him 7 more toy cars. How many toy cars does Liam have now? Answer: 15 Solution: Liam starts with 8 toy cars. His grandma gives him 7 more toy cars. To find the total, add the cars he started with to the cars he received: 8 + 7 8 + 7 = 15 Liam has 15 toy cars now.
   Full step-by-step solution

   Step 1: Liam starts with 8 toy cars. Step 2: His grandma gives him 7 more toy cars. Step 3: To find the total, add the cars he started with to the cars he received: 8 + 7 Step 4: 8 + 7 = 15 Liam has 15 toy cars now.

2. Liam has 8 toy cars. His friend Mia gives him 7 more toy cars for his birthday. How many toy cars does Liam have now? Answer: 15 Solution: Liam starts with 8 toy cars. Mia gives him 7 more toy cars. Add the two amounts together: 8 + 7 8 + 7 = 15 Liam has 15 toy cars now.
   Full step-by-step solution

   Step 1: Liam starts with 8 toy cars. Step 2: Mia gives him 7 more toy cars. Step 3: Add the two amounts together: 8 + 7 Step 4: 8 + 7 = 15 Liam has 15 toy cars now.

3. Mere asked her classmates which pet they like best. She wrote down the results. 4 classmates chose dogs, 6 chose cats, and 2 chose fish. Draw a bar graph to show how many classmates chose each pet. Answer: A bar graph with bars showing dogs=4, cats=6, fish=2 Solution: Look at the data. Dogs: 4, Cats: 6, Fish: 2. Draw a graph with a title: 'Our Favorite Pets'.
   Full step-by-step solution

   Step 1: Look at the data. Dogs: 4, Cats: 6, Fish: 2. Step 2: Draw a graph with a title: 'Our Favorite Pets'. Label the bottom with the pet names: Dogs, Cats, Fish. Label the side with numbers from 0 up to 6 (the largest number). Step 3: For Dogs, draw a bar that reaches up to the number 4. For Cats, draw a bar that reaches up to the number 6. For Fish, draw a bar that reaches up to the number 2. Step 4: Check that the bars match the numbers: Dogs=4, Cats=6, Fish=2. The answer is a bar graph showing those three bars.

4. Emma asked her friends to choose their favorite pet. She made a pictograph. Use this data to draw a pictograph: 5 friends chose dogs, 10 friends chose cats, and 15 friends chose fish. Each picture of a pet stands for 5 friends. How many pictures of fish should Emma draw? Answer: 3 Solution: Each picture stands for 5 friends. 15 friends chose fish. Divide 15 by 5 to find how many pictures: 15 ÷ 5 = 3.
   Full step-by-step solution

   Step 1: Each picture stands for 5 friends. Step 2: 15 friends chose fish. Step 3: Divide 15 by 5 to find how many pictures: 15 ÷ 5 = 3. Step 4: Emma should draw 3 pictures of fish. The answer is 3.

5. Make a bar graph showing: Aroha=9, Tane=16, Kaia=12 Answer: A bar graph with bars: Aroha=9, Tane=16, Kaia=12 Solution: Write the names Aroha, Tane, and Kaia along the bottom. Label each bar with the correct name. The completed bar graph shows Aroha=9, Tane=16, and Kaia=12.
   Full step-by-step solution

   Step 1: Draw a vertical number line from 0 to 17 on the left side of your paper. Step 2: Write the names Aroha, Tane, and Kaia along the bottom. Step 3: For Aroha, draw a bar that goes up to 9 on the number line. Step 4: For Tane, draw a bar that goes up to 16 on the number line. Step 5: For Kaia, draw a bar that goes up to 12 on the number line. Step 6: Label each bar with the correct name. The completed bar graph shows Aroha=9, Tane=16, and Kaia=12.

6. Make a bar graph showing: dogs=8, cats=11, fish=4, birds=7 Answer: A bar graph with bars: dogs=8, cats=11, fish=4, birds=7 Solution: Step 1: Draw a vertical number line from 0 to 12 Step 2: Draw a bar for dogs that goes up to 8 on the number line Step 3: Draw a bar for cats that goes up to 11 on the number line Step 4: Draw a bar for fish that goes up to 4 on the number line Step 5: Draw a bar for birds that goes up to 7 on…
   Full step-by-step solution

   Step 1: Draw a vertical number line from 0 to 12 Step 2: Draw a bar for dogs that goes up to 8 on the number line Step 3: Draw a bar for cats that goes up to 11 on the number line Step 4: Draw a bar for fish that goes up to 4 on the number line Step 5: Draw a bar for birds that goes up to 7 on the number line Step 6: Label each bar with the correct pet name The completed bar graph shows dogs=8, cats=11, fish=4, and birds=7.

7. Look at the pictograph showing favorite fruits. There are 3 apples, 5 bananas, and 2 oranges. How many more bananas are there than oranges? Answer: 3 Solution: Identify the number of bananas. The pictograph shows there are 5 bananas. Identify the number of oranges.
   Full step-by-step solution

   Step 1: Identify the number of bananas. The pictograph shows there are 5 bananas. Step 2: Identify the number of oranges. The pictograph shows there are 2 oranges. Step 3: Find the difference between bananas and oranges. To find how many more bananas there are than oranges, subtract the number of oranges from the number of bananas: 5 − 2 = 3 Step 4: State the answer. There are 3 more bananas than oranges.

8. Look at the bar graph showing how many books each child read. Anna read 4 books, Ben read 6 books, and Chloe read 2 books. How many books did they read in total? Answer: 12 Solution: Anna read 4 books. Ben read 6 books. Chloe read 2 books.
   Full step-by-step solution

   Step 1: Anna read 4 books. Step 2: Ben read 6 books. Step 3: Chloe read 2 books. Step 4: Add all the books together: 4 + 6 + 2. Step 5: First, add 4 and 6: 4 + 6 = 10. Step 6: Then, add 10 and 2: 10 + 2 = 12. The total number of books is 12.

9. Make a bar graph showing: red=8, blue=14, green=11, yellow=5 Answer: A bar graph with bars: red=8, blue=14, green=11, yellow=5 Solution: Step 1: Draw a vertical number line from 0 to 15 Step 2: Draw a bar for red that goes up to 8 on the number line Step 3: Draw a bar for blue that goes up to 14 on the number line Step 4: Draw a bar for green that goes up to 11 on the number line Step 5: Draw a bar for yellow that goes up to 5 on…
   Full step-by-step solution

   Step 1: Draw a vertical number line from 0 to 15 Step 2: Draw a bar for red that goes up to 8 on the number line Step 3: Draw a bar for blue that goes up to 14 on the number line Step 4: Draw a bar for green that goes up to 11 on the number line Step 5: Draw a bar for yellow that goes up to 5 on the number line Step 6: Label each bar with the correct color name The completed bar graph shows red=8, blue=14, green=11, and yellow=5.