A property of addition and multiplication that states that the order of the addends or factors does not affect the sum or product.
What is commutative property?
100
An equivalent expression to:
-2(6 - 4x)
What is -12 + 8x?
100
Combine like terms:
4a + 2b + a - b =
What is 5a + b?
100
72n and 12
What is 12?
100
Use rounding to estimate:
32.10 + 12.86
What is 32 + 13 = 45
200
A property of addition and multiplication that states that the grouping of addends or factors does not affect the sum or product. You can move the parenthesis and still get the same result.
What is associative property?
200
Are the following pairs equivalent? YES OR NO?
4y + 20 and -4(5 - y)
What is NO? -20 + 4y
200
Combine like terms:
2x - 3 + 4x + 2 =
What is 6x - 1?
200
84a and 28
What is 28?
200
Use rounding to estimate:
$19.05 - $7.62 =
What is $19 - $8 = $11
300
Numbers that are easy to compute mentally.
What are compatible numbers?
300
Write an equivalent expression for:
-2(8 + 2x)
What is -16 - 4x?
300
Combine like terms:
5a + 2b - 3c + 2a + c =
What is 7a + 2b - 2c?
300
31a and 24
What is 1?
300
Brittany bought a cd that cost $9.89, bought a poster that cost $3.89 and ordered a t-shirt that cost $12.48.
Estimate the total cost of all three items.
What is $10 + $4 + $12 = $26
400
Terms in which the variables are the same, although the numbers may be different.
What are like terms?
400
Are the following pairs equivalent? YES OR NO?
2x + 14 and 2(x + 7)
What is YES?
400
Combine like terms:
a + a + a =
What is 3a?
400
42b and 12
What is 6?
400
A pack of 4 pairs of socks costs $11.99. ABOUT how much does each pair of socks cost?
What is $3.00?
500
A property of addition and multiplication that states that the sum of a number and zero is that number, and the product of a number and one is that number.
What is identity property?
500
The perimeter of a rectangle is represented by the expression 2(1/3 + y). Write an equivalent expression.