๐ Topic Summary
Picture graphs use pictures or symbols to show data. Each picture represents a certain number of items, which is defined by the key. By looking at the number of pictures, you can easily compare quantities. For Grade 2, we'll focus on picture graphs where each symbol represents one item.
Let's say we have a picture graph showing favorite fruits. If there are 5 apple pictures and each picture stands for one apple, then 5 people like apples the best! It's that simple!
๐ค Part A: Vocabulary
| Term |
Definition |
| 1. Data |
a. A chart that uses pictures to show information. |
| 2. Picture Graph |
b. A symbol that represents a certain number of items. |
| 3. Key |
c. Facts and statistics collected together for reference or analysis. |
| 4. Symbol |
d. How many times something occurs. |
| 5. Frequency |
e. A mark or character used as a conventional representation of an object. |
Match the term to the correct definition. (Answers: 1-c, 2-a, 3-b, 4-e, 5-d)
โ๏ธ Part B: Fill in the Blanks
A ______ graph uses pictures to show ______. The ______ tells us what each picture stands for. We can use picture graphs to easily ______ different amounts of things. Reading picture graphs helps us understand ______ quickly.
(Answers: picture, data, key, compare, information)
๐ค Part C: Critical Thinking
Imagine you surveyed your classmates about their favorite pets. How would you create a picture graph to show the results? What symbol would you use, and why?