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Properties of Real Numbers. Hold up the card with the correct property . 1.) 3 + (5 + 7) = (3 + 5) + 7 . Answer: Associative (+). 2.) 73 86 = 86 73 . Answer: Commutative (X). 3.) 461 1 = 461 . Answer: Identity (X). 4.) x + (y + z) = (x + y) + z .
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Properties of Real Numbers Hold up the card with the correct property
1.) 3 + (5 + 7) = (3 + 5) + 7 Answer: Associative (+)
2.) 73 86 = 86 73 Answer: Commutative (X)
3.) 461 1 = 461 Answer: Identity (X)
4.) x + (y + z) = (x + y) + z Answer: Associative (+)
5.) a – 3 + b = a + b – 3 Answer: Commutative (+)
6.) 5(7 + 2) = (7 + 2)5 Answer: Commutative (X)
7.) 13 4 10 = 13 10 4 Answer: Commutative (X)
8.) ( ¼ ) 4 = 1 Answer: Inverse (X)
9.) (2 3) 8 = 2 (3 8) Answer: Associative (X)
10.) mn + mp = m(n + p) Answer: Distributive
11.) xyz = yxz Answer: Commutative (X)
12.) 0 (x + 3) = 0 Answer: Multiplication Property of Zero
13.) 16 + 27 = 27 + 16 Answer: Commutative (+)
14.) 12 + 0 = 12 Answer: Identity (+)
15.) -45 0 = 0 Answer: Multiplication Property of Zero
16.) 13 + (-13) = 0 Answer: Inverse (+)
17.) 4(7 - 3) = 4 7 - 4 3 Answer: Distributive Property
18.) 2 (1/2) = 1 Answer: Inverse (X)
19.) (27 + e) + f = (e + 27) + f Answer: Commutative (+)
20.) (a + b)7 = 7(a + b) Answer: Commutative (X)
21.) (a + b) 1 = a + b Answer: Identity (X)
22.) -3 -1 = 3 Answer: Multiplication Property of -1
23.) 8 = 1 8 Answer: Identity (X)
24.) -13 = -13 + 0 Answer: Identity (+)