MATHEMATICS FORM 2 CHAPTER 1: DIRECTED NUMBERS
1. Concept +ve/-ve numbers: a. Using number lines b. Analogy c. Integers: +ve/-ve whole numbers 2. Addition/Subtraction + + 3. Multiplication/Division + + x x x x + + = = = = + + + + ÷ ÷ ÷ ÷ + + = = = = + + +a -a +a -a + + a a a a
4. Operations of directed numbers (using concept of BODMAS) a. −52 ÷ 13 − 16 × 6
b. 63 ÷ 13 − 4 × −2
c.
909 − 99 + −90 ÷ 80
d. −76 − −7 + −18
e.
− × −2
Pn. Nazihah 2011
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