Looking at zero

This task is about what happens when you use zero when adding or taking away.

Question 1Change answer

illustration: plus or minus zero
Look at each number sentence. Select if it is True or False.
a)  12 + 0 = 12     truefalse
b)  34 – 34 = 34   truefalse
c)  91 – 0 = 91     truefalse
d)  70 + 0 = 700   truefalse
e)  0 + 87 = 0       truefalse