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6 + (5 + 4) = 6 + (4 + 5) is an example of which property?
To check your answer to a division equation, you should perform which operation?
1. subtraction
3. multiplication
Which property is illustrated by 14x + 7 = 7 + 14x?
1. Distributive Property of Multiplication over Addition
Drew rearranged an expression to make it easier to solve. He changed 2 + (3 + 5) to
(2 + 3) + 5.

Which of the following properties tells us that it is okay for Drew to arrange the problem that way?
2. distributive property of multiplication over addition
None Concrete Placement
What would you need to add if you were required to build a suspended set of concrete stairs instead of earth supported?
4. Additonal water to the mix
Which property is illustrated here?
$7+8=8+7$
1. The Commutative Property of Addition
2. The Associative Property of Addition
Which property is shown here?

$(8+9)+10=8+(9+10)$
1. The Commutative Property of Addition
2. The Associative Property of Addition
Which property is shown in the equation?

(12 + 3) + 4 = 12 + (3 + 4)
4. Distributive Property
This states that you can group addends in different ways and still get the same sum. It is also called the Grouping Property.
1. The Commutative Property of Addition
2. The Associative Property of Addition
3. Compatible Numbers
4. The Identity Property of Addition
Which property is shown in the equation?

3 + 5 + 8 = 8 + 5 + 3
4. Distributive Property
These are numbers that are easy to compute mentally.
1. The Commutative Property of Addition
2. The Associative Property of Addition
3. Compatible Numbers
4. The Identity Property of Addition
This states that when you add zero to any number, the sum is that number.
1. The Commutative Property of Addition
2. The Associative Property of Addition
3. Compatible Numbers
4. The Identity Property of Addition
This states that you can add two or more numbers in any order and get the same sum.
1. The Commutative Property of Addition
2. The Associative Property of Addition
3. Compatible Numbers
4. The Identity Property of Addition
Continuing Education Biochemical Pathways
Oxidation is                                                    .
1. the removal of hydrogen or the addition of oxygen
2. the removal of oxygen or the addition of hydrogen
3. the removal of oxygen and the removal of hydrogen
5. the gain of electrons
Grade 3 Defining Words CCSS: CCRA.L.4, L.3.4
1. itself
2. joined
3. least
4. else