Write a number in each box to make the calculation correct.
2+0000=72 + \boxed{\phantom{0000}} = 72+0000=7
9−0000=39 - \boxed{\phantom{0000}} = 39−0000=3
242 exam-style questions on AQA GCSE Maths Solving One Step Equations. Each one has a worked solution and a mark scheme showing where the marks go.