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.