hold up the card with the correct property. 1.) 3 + (5 + 7) = (3 + 5) + 7 answer: associative (+)
TRANSCRIPT
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 (+)