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20
Multiply four squares by five tickets.
Class 4 · Bangla Version · Mathematics
Charts and data interpretation
Explore charts and data interpretation with an example and your own answers.
About this lesson and its coverage
Original Kidemy foundation practice · Read the example, write your answers, then check. This starter is shared across class versions; it is not a complete board-specific lesson or course.
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Learn the idea
A chart scale can represent more than one item at each step. Read the scale and labels before comparing.
Worked example
A chart key says one square means 5 tickets. Class A has 4 squares; Class B has 6 squares.
- Read the example and explain which rule or evidence it uses.
- Try each task yourself, then compare the answer and its reason.
Your written practice
Show your working on paper. Check your answer, then choose Next.
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50
Count all ten squares, then multiply by five.
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10
Two extra squares each represent five tickets.
Take it further
Apply the idea in a new situation and explain your method. Open writing needs a guardian or teacher to review it.
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80
Add all four entries.
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28
Three symbols show twenty-four; a half-symbol shows four.
Write in your own words. A guardian or teacher should review this response.
Show model answer and explanation
It shows a fall of ten but gives no cause. More information is needed to explain it.
Separate an observed difference from an unsupported cause.
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