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Find the Formula

In this worksheet, students select the correct formula that matches the given rule.

'Find the Formula' worksheet

Key stage:  KS 3

Curriculum topic:   Algebra

Curriculum subtopic:   Use Standard Mathematical Formulae

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

If we know that we have to double m and add 3 to get n, we can translate this into algebra as follows:

 

Double m and add 3 can we written as 2m + 3

This is what n equals.

We can write this as a formula:

n = 2m + 3

Select the formula which matches the following:

To get m, we must double n and take away 3

n = 2m - 3

m = 2n - 3

m = 3 - 2n

Select the formula which matches the following:

m is 3 less than twice n

n = 2m - 3

m = 2n - 3

m = 3 - 2n

Select the formula which matches the following:

n is 3 less than twice m

n = 2m - 3

m = 2n - 3

m = 3 - 2n

Select the formula which matches the following:

m is 2n less than 3

n = 2m - 3

m = 2n - 3

m = 3 - 2n

Select the formula which matches the following:

m is three more than five lots of n

n = 3m + 5

m = 5n - 3

m = 5n + 3

Select the formula which matches the following:

m is 15 more than ten times n

n = 10m + 15

m = 10n + 15

m = 10n - 15

Select the formula which matches the following:

n is 15 less than four times m

n = 4m - 15

m = 4n + 15

n = 15m - 4

Select the formula which matches the following:

n is 4 less than a quarter of m

n = 4m - ¼

¼m = n - 4

n = ¼m - 4

Select the formula which matches the following:

p is 4 less than 15 times q

p = 4 - 15q

p = 15q - 4

p = 15 - 4q

Select the formula which matches the following:

p is 15 times q less than 4

p = 4 - 15q

p = 15q - 4

p = 15 - 4q

  • Question 1

Select the formula which matches the following:

To get m, we must double n and take away 3

CORRECT ANSWER
m = 2n - 3
EDDIE SAYS
In Algebraic language To get m means m = Double n means 2n Take away 3 means -3 m = 2n - 3
  • Question 2

Select the formula which matches the following:

m is 3 less than twice n

CORRECT ANSWER
m = 2n - 3
EDDIE SAYS
In Algebraic language m is means m = Twice n means 2n 3 less than means -3 m = 2n - 3
  • Question 3

Select the formula which matches the following:

n is 3 less than twice m

CORRECT ANSWER
n = 2m - 3
EDDIE SAYS
In Algebraic language n is means m = Twice m means 2n 3 less than means -3 n = 2m - 3
  • Question 4

Select the formula which matches the following:

m is 2n less than 3

CORRECT ANSWER
m = 3 - 2n
EDDIE SAYS
In Algebraic language m is means m = Twice n means 2n less than 3 means 3- m = 3 - 2n
  • Question 5

Select the formula which matches the following:

m is three more than five lots of n

CORRECT ANSWER
m = 5n + 3
EDDIE SAYS
In Algebraic language m is means m = five lots of n means 5n 3 more than means +3 m = 5n + 3
  • Question 6

Select the formula which matches the following:

m is 15 more than ten times n

CORRECT ANSWER
m = 10n + 15
EDDIE SAYS
In Algebraic language m is means m = ten times n means 10n 15 less than means +15 m = 10n + 15
  • Question 7

Select the formula which matches the following:

n is 15 less than four times m

CORRECT ANSWER
n = 4m - 15
EDDIE SAYS
n is means n = four time m means 4m 15 less than means -15 n = 4m - 15
  • Question 8

Select the formula which matches the following:

n is 4 less than a quarter of m

CORRECT ANSWER
n = ¼m - 4
EDDIE SAYS
In Algebraic language n is means n = a quarter of m means ¼m 4 less than means -4 n = ¼m - 4
  • Question 9

Select the formula which matches the following:

p is 4 less than 15 times q

CORRECT ANSWER
p = 15q - 4
EDDIE SAYS
In Algebraic language p is means p = 15 times q means 15q 4 less than means -4 p = 15q - 4
  • Question 10

Select the formula which matches the following:

p is 15 times q less than 4

CORRECT ANSWER
p = 4 - 15q
EDDIE SAYS
In Algebraic language p is means p = 15 times q means 15q less than 4 means 4- p = 4 - 15q
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