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Objectives
After going through this unit, you should be able to
1. explain the processes involved ih addition and subtraction;
2. plan and execute activities that would help children learn to add and subtract:
3. explain the niceties involved in creating and solving word problems;
4. suggest ways of effectively communicating the algorithms for adding and subtracting numerals;
5. help children develop their ability to estimate the sum and difference of quantities;
6. evaluate your teaching strategies.
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