Data Handling
ICSE · Class 4 · Mathematics
Flashcards for Data Handling — ICSE Class 4 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.
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The pictograph shows the number of books read by 5 students. Each 📗 represents 4 books. How many books did Riya read if she has 3 📗?
Answer
Step 1: Each 📗 = 4 books.<br>Step 2: Riya has 3 📗 → 3 × 4 = 12 books.<br>Answer: Riya read 12 books.
In a survey, 6 students like apples, 8 like bananas, and 4 like oranges. Represent this using tally marks.
Answer
Apples: |||| ||<br>Bananas: |||| |||<br>Oranges: ||||<br>Note: Every 5th mark crosses the previous 4.
A bar graph shows the number of toys sold in a week. Monday = 50, Tuesday = 70, Wednesday = 60. What is the total sale for these 3 days?
Answer
Step 1: Monday = 50<br>Step 2: Tuesday = 70<br>Step 3: Wednesday = 60<br>Total = 50 + 70 + 60 = 180 toys.<br>Answer: 180 toys sold.
In a class, 15 students like Maths, 10 like English, and 5 like EVS. Draw a vertical bar graph to show this data (1 unit = 5 students).
Answer
Step 1: Maths = 15 → 15 ÷ 5 = 3 units high<br>Step 2: English = 10 → 10 ÷ 5 = 2 units high<br>Step 3: EVS = 5 → 5 ÷ 5 = 1 unit high<br>Draw bars accordingly on graph paper.
A pictograph uses 🍎 to represent 6 apples. If a basket has 4 🍎, how many apples are there?
Answer
Step 1: Each 🍎 = 6 apples<br>Step 2: 4 🍎 → 4 × 6 = 24 apples<br>Answer: 24 apples.
The tally marks for a student's test scores are: |||| |||| |. How many tests did they take?
Answer
Each group of 5 is ||||/<br>Here: 2 groups of 5 = 10, plus 1 extra = 11<br>Answer: 11 tests.
A bar graph shows rainfall in cm: June = 4, July = 7, August = 5. Which month had the highest rainfall?
Answer
Compare the values:<br>June = 4 cm<br>July = 7 cm<br>August = 5 cm<br>July has the highest value.<br>Answer: July had the highest rainfall.
In a pictograph, each 🚗 represents 8 cars sold. If a dealer sold 48 cars, how many 🚗 will be shown?
Answer
Step 1: Total cars = 48<br>Each symbol = 8 cars<br>Step 2: Number of symbols = 48 ÷ 8 = 6<br>Answer: 6 🚗 will be shown.
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