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5
Six times four is twenty-four; five remain.
Class 3 · English Medium · Cambridge · Mathematics
Remainders and inverse operations
Explore remainders and inverse operations 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 remainder is the amount left after making equal groups. It must be smaller than the group size. Multiplication checks division.
Worked example
23 ÷ 5 gives 4 groups and 3 left: 5 × 4 + 3 = 23.
- 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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8
Use division to find the missing factor.
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26
Multiply four by six, then add the remainder.
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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3
Five groups of seven use thirty-five, leaving three.
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44
5×8+4=44.
Write in your own words. A guardian or teacher should review this response.
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30÷4 gives seven full cars and two children left. They need one more car, so eight cars are needed.
A remainder needs another whole car in this context.
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