Factorising expressions
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Lesson details
Key learning points
- In this lesson, we will learn how to factorise basic linear expressions using area models.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Fill in the gaps: We can ____ an expression by using the _____ property.
Add, distributive
Create, commutative
Factorise, commutative
Q2.
Use the distributive property to fill in the gaps: 4(10 + 5) = ____ × 10 + ____ × 5
10, 5
2, 2
4, 5
Q3.
Expand 4(n+ 5)
20n
4n + 5
4n + 9
Q4.
Expand 8(n-3)
8n - 11
8n - 3
8n + 24
Q5.
Expand -7(n+5).
-42n
-7n + 35
-7n + 5
5 Questions
Q1.
Fill in the blanks: We can factorise a number or expression by writing it as a ____ of two or more _____.
product, multiples
sum, factors
sum, multiples
Q2.
Fill in the blanks: a + 2 + a + 2 = _____ + _____ = 2(_____ + _____ )
2a, 4, a, 4
a, 4, a, 2
a, 4, a, 4
Q3.
Factorise 12x + 3.
12(x + 4)
2(6x + 1.5)
3(x + 1)
Q4.
Factorise 2y − 10.
1(2y - 10)
10(5y - 1)
2(y - 10)
Q5.
Factorise −6p + 15m
-3(2p + 5m)
3(-3p + 5m)
6(-p + 3m)