icon-background-square
Year 10
Core

Change the subject of a formula

icon-background-square
Year 10
Core

Change the subject of a formula

warning

These resources will be removed by end of Summer Term 2025.

Switch to our new teaching resources now - designed by teachers and leading subject experts, and tested in classrooms.

These resources were created for remote use during the pandemic and are not designed for classroom teaching.

Lesson details

Key learning points

  1. In this lesson, we will change the subject of a formula in which the term appears once.
copyright

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.

Loading...

4 Questions

Q1.
Using the formula r = 5t - 3 find the value of r when t = -2
Correct answer: -13
-55
-7
7
Q2.
Using the formula r = 5t - 3 find the value of t when r = -7
Correct answer: -0.8
-1.25
-4
2
Q3.
An image in a quiz
A
B
C
Correct answer: D
Q4.
An image in a quiz
A
B
C
Correct answer: D

3 Questions

Q1.
Which of the following steps would you take first to make t the subject of the formulae x = 6t + 3
Add three to both sides
Divide boths sides by 6
Correct answer: Subtract 3 from both sides
Subtract x from boths sides
Q2.
An image in a quiz
Correct answer: He has not multiplied the 7 by 3 to give 21 on the right hand side
He has not subtracted 3g from boths sides
He has written -3g in his final answer
Q3.
An image in a quiz
A
Correct answer: B
C