Year 7
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Lesson details
Key learning points
- In this lesson, we will learn to collect together terms that are alike and manipulate 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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5 Questions
Q1.
Which of the following best describes an expression?
Algebra.
Something which has letters and numbers in.
Something which has letters in.
Q2.
Which of the following is NOT an expression?
2 - 3
4x + 2
6 x 10y
Q3.
How should we write 5 x a - 2?
5 - 2a
5 x a - 2
5(a - 2)
Q4.
Which value of x means that 3x < 2x + 1
1
2
5
Q5.
Which value of y means that -3y - 1 > 2y
0
0.5
7
6 Questions
Q1.
Fill in the gap. We can collect together like terms of variables and constants in order to ______ algebraic expressions.
Create
Produce
Sum
Q2.
Fill in the gap: 14 × 3 = 10 × 3 + ____ × 3
-4
1.2
13
Q3.
Fill in the gaps: 5a + 9a = ___ × a = ____
13, 13a
15, 15a
45, 45a
Q4.
Fill in the gaps: 18x + 20x = 30x + ____
10x
18x
38x
Q5.
Simplify the expression 10a -4b + 2a + b
12a - 5b
12a + 3b
8a + 5b
Q6.
Simplify the expression -20x + 3 - 8y + x -y
-19x + 3 - 7y
-21x + 3 - 7y
-25xy