Write a number in each box to make the calculation correct.
0000+4=k\boxed{\phantom{0000}} + 4 = k0000+4=k
16=19−000016 = 19 - \boxed{\phantom{0000}}16=19−0000
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.