1. Sally said that when you add or subtract positive or negative decimals, you can change the order of the decimals and still ge
t the same answer. Use these decimals to answer the questions:
–6.2, 5.71, –3.96, 2.84
(a) Is Sally’s statement always true, sometimes true, or always false? Write two pairs of equations using addition and two pairs of equations using subtraction to support your answer.
(b) Write a rule about changing the order of the numbers in adding and in subtracting positive and negative decimals.
