Year 7
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Lesson details
Key learning points
- In this lesson, we will learn how to factorise basic linear expressions using area models.
Licence
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)