Year 7
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Lesson details
Key learning points
- In this lesson, we will use bar modelling to identify and form inequalities.
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 gap: You can use a known equation to form related equations. When forming a related equation you should check that both sides ______.
Connect
Multiply
Sum
Q2.
Given that 5 × 12 = 10 × 6, fill in the gap: 5 x 12 + 5 = 10 x 6 + ___.
10
12
6
Q3.
Given that a = 3b, fill in the gap: 2a = ___b.
3
4
9
Q4.
Given that a = 3b, fill in the gap: a + 3b = ___b.
1
4b
a
Q5.
If c = d + 2, fill in the gap: c - 2 = ___
d - 2
d - 4
d + 2
5 Questions
Q1.
Fill in the gaps. We can use the symbols __ and __ to express an inequality.
-, +
=, +
x, y
Q2.
Which inequality represents "a is greater than b"?
a < b
a = b
b > a
Q3.
Which inequality represents "the sum of b and a is less than c"?
a + b > c
b - a < c
c < a + b
Q4.
Which inequality is true when a = 3?
-a > a -2
a < -5
a x a > 5a
Q5.
Which inequality is true when a = -4?
-a < a -2
2a > a
a < -5