Write a number in each box to make the calculation correct.
9+0000=269 + \boxed{\phantom{0000}} = 269+0000=26
31−0000=1431 - \boxed{\phantom{0000}} = 1431−0000=14
242 exam-style questions on OCR GCSE Maths Solving One Step Equations. Each one has a worked solution and a mark scheme showing where the marks go.