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Lesson details

Key learning points

  1. In this lesson, we will use the distributive property to expand brackets with linear expressions.

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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6 Questions

Q1.
Fill in the gap. We can collect together like terms of variables and constants in order to ______ algebraic expressions.
Create
Produce
Correct answer: Simplify
Sum
Q2.
Fill in the gap: 14 × 3 = 10 × 3 + ____ × 3
-4
1.2
13
Correct answer: 4
Q3.
Fill in the gaps: 5a + 9a = ___ × a = ____
13, 13a
Correct answer: 14, 14a
15, 15a
45, 45a
Q4.
Fill in the gaps: 18x + 20x = 30x + ____
10x
18x
38x
Correct answer: 8x
Q5.
Simplify the expression 10a -4b + 2a + b
Correct answer: 12a - 3b
12a - 5b
12a + 3b
8a + 5b
Q6.
Simplify the expression -20x + 3 - 8y + x -y
-19x + 3 - 7y
Correct answer: -19x + 3 - 9y
-21x + 3 - 7y
-25xy

5 Questions

Q1.
Fill in the gaps: We can ____ an expression by using the _____ property.
Add, distributive
Create, commutative
Correct answer: Expand, distributive
Factorise, commutative
Q2.
Use the distributive property to fill in the gaps: 4(10 + 5) = ____ × 10 + ____ × 5
10, 5
2, 2
Correct answer: 4, 4
4, 5
Q3.
Expand 4(n+ 5)
20n
Correct answer: 4n + 20
4n + 5
4n + 9
Q4.
Expand 8(n-3)
8n - 11
Correct answer: 8n - 24
8n - 3
8n + 24
Q5.
Expand -7(n+5).
-42n
Correct answer: -7n - 35
-7n + 35
-7n + 5

Lesson appears in

UnitMaths / Expressions, equations and inequalities