Math Properties

What is an equation?

• a mathematical sentence with an equal sign
• numbers and symbols that are grouped together
• a number sentence that can be simplified but not solved
• all whole numbers and their opposites

Which two operations are inverse (opposite) operations?

• subtraction and division

• multiplication and addition

• addition and addition

• division and multiplication

How many terms (different parts added and subtracted) are in the following expression? 7x² + 5x - 3

• two

• three

• four

• five

In the following expression, 2x + 4, what word could we use to describe the number that is being multiplied by the variable?

• the coefficent
• the variable
• the inverse operation
• the term

Tags

CCSS.6.EE.A.2B

What real number property is shown in this equation?
4(n + 2) = 4n + 8

• Multiplicative property of zero
• Identity property of multiplication
• Distributive property of multiplcation
• multiplicative inverse property

Which number is the coefficient (number multiplied by the variable) of the following number sentence?

7n + 2 = 16

• 2

• n

• 16

• 7

Are  these two expressions equivalent?
2 • (3 • 7) and  (2 • 3) • 7 

• Yes, because of the associative property
• Yes, because of the commutative property
• Yes, because of the distributive property
• No, these two expressions are not exquivalent

Tags

CCSS.3.OA.B.5

Are these two expressions equivalent?
6 + 3 and 3 + 6

• Yes, because of the associative property
• Yes, because of the commutative property
• Yes, because of the associative property
• No, these two expressions are not equivalent

Tags

CCSS.1.OA.B.3

Are these two expressions equivalent?
6 – (4 – 1) and (6 – 4) – 1

• Yes, because of the associative property
• Yes, because of the commutative property
• Yes, because of the distributive property
• No, these two expressions are not equivalent

Tags

CCSS.7.NS.A.1D

Are these two expressions equivalent?
40 ÷ 10 and 10 ÷ 40

• Yes, because of the associative property
• Yes, because of the commutative property
• Yes, because of the distributive property
• No, these two expressions are not equivalent

Tags

CCSS.3.OA.B.5