Year 7

# Exploring equality

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## Lesson details

### Key learning points

- In this lesson, we will form equations and explore how to ensure equality is preserved.

### 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: An equation is a way to express an ______.

Addition

Algebraic quantity

Expression

Q2.

Use the equation r = 2w to find the value of r when w = 3.

r = 2

r = 5

r = 9

Q3.

Use the equation p = 4w to find the value of w when p = 16.

w = 12

w = 64

w = 8

Q4.

Given that r = 2w, fill in the gaps: r + r = ___ + 2w.

2r

4w

w

Q5.

Given that r = 2w and p = 4w, fill in the blanks: r + p = __w.

2

4

8

### 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.

Q5.

If c = d + 2, fill in the gap: c - 2 =