Number sentences II

This task is about finding the missing number when adding or taking away.

Question 1Change answer

Write a number in each box to make the number sentence true.

a)   28 – 28 =

b)   + 0 = 57

c)   72 –  = 72

d)   0 +  = 83

e)   69 +  = 69

f)   + 58 = 58