Definition of Integer
An integer is any positive or negative whole number
Example:
Simplify the following
(+8) + (+3) (ii) (+9) – (+4)
Solution
(+8) + (+3) = +11 (ii) (+9) – (+4) = 9-4 = +5 or 5
Evaluation
Simplify the following
(+12) –(+7) (ii) 7-(-3)-(-2)
Indices
The plural of index is indices
10 x 10 x 10= 103 in index form, where 3 is the index or power of 10. P5=p x pxpxpxp. 5 is the power or index of p in the expression P5.
Laws of Indices
READING ASSIGNMENT
New General Mathematics, UBE Edition, chapter 2 Pages 24-26
Essential Mathematics by A J S Oluwasanmi, Chapter 3 pages 27-29
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