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Objectives
After reading this unit, you should be able to
1. Explain the meaning of multiplication / division and interpret it in different contexts;
2. Convert symbolic multiplication / division examples into stories and vice-versa;
3. Identify the difficulties experienced by children in comprehending multiplication / division problems, processes and patterns;
4. Evolve child-centred activities for effectively teaching the meaning and algorithm of multiplication / division.
State DeMorgan's law. Prove it using the truth table. Ans: DeMorgan's law defines that (i) (x ∨ y)' = x' ∧ y' (ii) (x ∧ y)' = x' ∨ y' Now let us dr
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we dont know how to do rates
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