What does the commutative property state about addition?
Working Backwards to Solve Equations

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Mathematics, Social Studies
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1st - 6th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a + b = a - b
a + b = a / b
a + b = b + a
a + b = a * b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you undo multiplication by 3 in an equation?
Multiply by 3
Divide by 3
Subtract 3
Add 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common mistake when tripling the expression X + 4?
Thinking it equals 3X + 4
Thinking it equals X + 12
Thinking it equals 3X + 12
Thinking it equals X + 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the problem 'Guess my X', what is the first step to solve it?
Add 8
Subtract 4
Divide by 3
Triple the number
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of solving the equation 3X = 12 using the multiplicative inverse?
X = 4
X = 3
X = 2
X = 6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When building an equation, what property allows you to rewrite 4X + 3 as 3 + 4X?
Commutative Property
Distributive Property
Associative Property
Inverse Property
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final value of X when solving 5X + 8 = 53 by working backwards?
X = 11
X = 10
X = 9
X = 8
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