Mel Balser
Atlanta, Ga
Middle Grades Math
[email protected]
4+0=4
(6 + 3) + 1= 6 + (3 + 1)
7(51) = 51(7)
5 456 = 456 5
5x1=5
(8 2) 5 = 8 (2 5)
72 + 1234 = 1234 + 72
12 + 0 = 12
15.7 1.3 = 1.3 15.7
8.2 + (9.3 + 7) = (8.2 + 9.3) + 7
12a + 15b = 15b + 12a
2x + (3y + 4z) = (2x + 3y) + 4z
8j + 32k = 32k + 8j
6 9=9 6
r+s=s+r
17 + (31 + x) = (17 + 31) + x
x + 2.5 = 2.5 + x
3(n 8) = 3(8n)
11 + (2 + w) = 11 + (w + 2)
1y = y
a2 + 0 = a2
5x + 14 = 14 + 5x
(9t) = (
9)t
9+0=9
9(1) = 9
3(m + 10) = 3 (10 + m)
(8 x 5) x k = 8 x (5 x k)
7x + (4x + 1) = (7x + 4x) +1
q+0=q
(a 12) = a(12
)
Associative Property
Associative Property
Commutative Property
Commutative Property
Identity Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative Property
Commutative Property
Identity Property
Associative
Commutative
Identity
4+0=4
(6 + 3) + 1= 6 + (3 + 1)
7(51) = 51(7)
5 456 = 456 5
5x1=5
(8 2) 5 = 8 (2 5)
72 + 1234 = 1234 + 72
12 + 0 = 12
15.7 1.3 = 1.3 15.7
8.2 + (9.3 + 7) = (8.2 + 9.3) + 7
12a + 15b = 15b + 12a
2x + (3y + 4z) = (2x + 3y) + 4z
8j + 32k = 32k + 8j
6 9=9 6
r+s=s+r
17 + (31 + x) = (17 + 31) + x
x + 2.5 = 2.5 + x
3(n 8) = 3(8n)
11 + (2 + w) = 11 + (w + 2)
1y = y
a2 + 0 = a2
5x + 14 = 14 + 5x
(9t) = (
9)t
9+0=9
9(1) = 9
3(m + 10) = 3 (10 + m)
(8 x 5) x k = 8 x (5 x k)
7x + (4x + 1) = (7x + 4x) +1
q+0=q
(a 12) = a(12
)