Team 1
0
Team 2
0
Teams
Name
Score
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10
×
z + (-z) = 0
Additive Inverse Property
Oops!
Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
star
Double points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
25
×
ab = ba
Commutative Property of Multiplication
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Check
Okay!
Check
25
×
What is the multiplicative inverse of -3?
-1/3
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Check
Okay!
Check
×
lifesaver
Give 25 points!
Oops!
×
gold
Win 50 points!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 20 points!
Oops!
×
baam
Lose 25 points!
Oops!
×
star
Double points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 20 points!
Oops!
15
×
5 + (a + b) = (a + b) + 5
Commutative Property of addition
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Check
Okay!
Check
20
×
2(x+y) = 2x + 2y
Distributive Property
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Check
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Check
15
×
a(1) = a
Multiplicative Identity property
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Check
Okay!
Check
25
×
What is the identity element of addition?
0
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Check
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Check
25
×
x + (-x) = 0
Additive Inverse Property
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Check
Okay!
Check
25
×
2 + 0 = 2
Additive Identity Property
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Check
Okay!
Check
15
×
a(bc) = (ab)c
Associative Property of multiplication
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Check
Okay!
Check
25
×
5(0) = 0
Zero Product Property
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Check
Okay!
Check
15
×
x(1/x) = 1
Multiplicative Inverse Property
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Check
Okay!
Check
20
×
(a/b)(b/a) = 1
Multiplicative Inverse property
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Check
Okay!
Check
×
Restart
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