Maths assistant
23-?=14
Thank you for your assignment. This is an equation where you have to find out which number should stand in place of the question mark so that the calculation fits.
Formula collection:
You can find help with equations under ‘Numbers and algebra’ on pages 7–9.
What to do:
1. You have to find out which number subtracted from 23 gives 14.
2. Think about how you can isolate the question mark (?). You can do this by ‘moving’ 14 to the other side, or calculating with plus/minus.
Find x
23 - X = 14

















