Write a number in each box to make the calculation correct.
12+0000=2912 + \boxed{\phantom{0000}} = 2912+0000=29
28−0000=628 - \boxed{\phantom{0000}} = 628−0000=6
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.