Write a number in each box to make the calculation correct.
0000+7=19\boxed{\phantom{0000}} + 7 = 190000+7=19
21=30−000021 = 30 - \boxed{\phantom{0000}}21=30−0000
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.