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408
Add 340 and 68.
Class 4 · Bangla Version · Mathematics
Written multiplication and division
Explore written multiplication and division 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
Keep place values aligned in written multiplication. Use multiplication and addition to check division with a remainder.
Worked example
23 × 14 = (23 × 10) + (23 × 4) = 230 + 92 = 322.
- 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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156
Check that six times your answer is 936.
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5
Eight times nineteen is 152; five remain.
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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1058
46×20=920 and 46×3=138.
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156
8×156=1,248.
Write in your own words. A guardian or teacher should review this response.
Show model answer and explanation
6×57+5=342+5=347, and 5 is less than the divisor 6.
Check the reconstructed dividend and the size of the remainder.
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