1. 1-6Identity and Equality Properties Algebra One CP2

2. Name the property illustrated. Ex. 5: 3 + 8 = 3 + 8 –REFLEX PROP (=) Ex. 6: 5 1 = 5 –MULT ID PROP Ex. 7: 6 0 7 = 0 7 –MULT. PROP ZERO Ex. 8: If 9 + 1 = 10, then 10 = 9 + 1 –SYMM. PROP (=)

3. Name the property illustrated. Ex. 9: 2 ½ 3 = 1 3 –MULT. INV. PROP Ex. 10: 6 + 4 2 = 6 + 8 –SUBSTIT. PROP (=) Ex. 11: 8 + 0 + 10 = 8 + 10 –ADD. ID PROP Ex. 12: If 6 = 1 + 5 and 1 + 5 = 2 + 4, then 6 = 1 + 5 –TRANS. PROP (=)

4. Name the property used in each step. Ex. 13: ½  2 + 0  1 = 1 + 0  3 ½  2 + 0  1 = 1 + 0  3 = 1 + 0 = 1 = 1 + 0 = 1 MULT. INV PROP. MULT PROP ZERO ADD ID. PROP