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131
Multiply first, then subtract those sold.
Class 5 · Bangla Version · Mathematics
Multi-step written reasoning
Explore multi-step written reasoning 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
Break a longer problem into labelled stages. Check the units and use an inverse or estimate to test whether your answer is sensible.
Worked example
A class buys 8 packs of 12 pencils, then gives away 27 pencils. It has 96 − 27 = 69 left.
- 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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295
Find the notebook cost before adding the bag.
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205
Subtract the total item cost from the payment.
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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145
18×24=432; subtract 287.
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122
12×25−178=300−178.
Write in your own words. A guardian or teacher should review this response.
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4×48=192; 300−192=108; 108÷3=Tk 36 per jar.
Show all three stages and keep the money unit.
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