Multiplying and dividing algebraic expressions
LEARNING INTENTIONS
To review how to multiply and divide algebraic expressions
SUCCESS CRITERIA
1. I know that in Algebra, I do not show the multiplication sign
2. I know to multiply numbers first and then deal with the pronumerals.
3. When dividing, I know to write as a fraction first.
4. I know how to cancel numbers and like terms.
KEY IDEAS
Any algebraic terms can be multiplied or divided. They do not have to be like terms.
To multiply algebraic terms:
• multiply the coefficients
• multiply the pronumerals.
To divide algebraic terms:
• express the division as a fraction
• divide the coefficients
• divide the pronumerals.
EXAMPLES
1. Simplify each of the following
(a) a 8
(b) 6m 2d
Homework
1
(c) 18 f Mathscape 9 Extension
3 Exercise 2.4 p37
Q3 – 5
(d) 5 x 4 x Q6,7 last 2 columns
Q8 – 10 Fist 2 columns
(e) 5de 6ef Q11
Q12
(f) −7q (−6s)
LEARNING INTENTIONS
To review how to multiply and divide algebraic expressions
SUCCESS CRITERIA
1. I know that in Algebra, I do not show the multiplication sign
2. I know to multiply numbers first and then deal with the pronumerals.
3. When dividing, I know to write as a fraction first.
4. I know how to cancel numbers and like terms.
KEY IDEAS
Any algebraic terms can be multiplied or divided. They do not have to be like terms.
To multiply algebraic terms:
• multiply the coefficients
• multiply the pronumerals.
To divide algebraic terms:
• express the division as a fraction
• divide the coefficients
• divide the pronumerals.
EXAMPLES
1. Simplify each of the following
(a) a 8
(b) 6m 2d
Homework
1
(c) 18 f Mathscape 9 Extension
3 Exercise 2.4 p37
Q3 – 5
(d) 5 x 4 x Q6,7 last 2 columns
Q8 – 10 Fist 2 columns
(e) 5de 6ef Q11
Q12
(f) −7q (−6s)
