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Simple Formulae

In this worksheet, students learn about and use simple algebraic formulae.

'Simple Formulae' worksheet

Key stage:  KS 3

Curriculum topic:  Algebra

Curriculum subtopic:  Use Standard Mathematical Formulae

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

A formula tells you how to work out something given another piece of information.

The formula F = 1.8C + 32 is used to convert a temperature in Centigrade to one in Fahrenheit.

 

When C = 10, we substitute this value into the formula to get:

F = 1.8 x 10 + 32

F = 18 + 32

F = 50

 

This means that 10º C is the same as 50º F

Use the formula

B = A + 2

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
5
3
9
7
4
5
7

Use the formula

B = A - 2

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
1
3
0
7
5
5
3

Use the formula

B = 2A

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
4
3
10
7
6
5
14

Use the formula

B = 4A

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
20
3
8
7
28
5
12

Use the formula

B = 10 - A

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
7
3
8
7
3
5
5

Use the formula

B = 2A + 1

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
-9
3
7
7
5
-5
15

Use the formula

B = 2A - 10

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
-4
3
-20
7
4
-5
-6

Use the formula

B = 3A + 10

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
19
3
31
7
16
-5
-5

Use the formula

B = 10 - 2A

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

2
-4
3
20
7
4
-5
6

Use the formula

B = A ÷ 5 + 1

to match the values of B (shown on the right) to the values of A (shown on the left)

Column A

Column B

5
0
10
3
15
2
-5
4
  • Question 1

Use the formula

B = A + 2

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
4
3
5
7
9
5
7
  • Question 2

Use the formula

B = A - 2

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
0
3
1
7
5
5
3
  • Question 3

Use the formula

B = 2A

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
4
3
6
7
14
5
10
  • Question 4

Use the formula

B = 4A

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
8
3
12
7
28
5
20
  • Question 5

Use the formula

B = 10 - A

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
8
3
7
7
3
5
5
  • Question 6

Use the formula

B = 2A + 1

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
5
3
7
7
15
-5
-9
  • Question 7

Use the formula

B = 2A - 10

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
-6
3
-4
7
4
-5
-20
  • Question 8

Use the formula

B = 3A + 10

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
16
3
19
7
31
-5
-5
  • Question 9

Use the formula

B = 10 - 2A

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

2
6
3
4
7
-4
-5
20
  • Question 10

Use the formula

B = A ÷ 5 + 1

to match the values of B (shown on the right) to the values of A (shown on the left)

CORRECT ANSWER

Column A

Column B

5
2
10
3
15
4
-5
0
---- OR ----

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