Basic Arithmetic and Properties

This video tutorial covers foundational math concepts, including identity, inverse, commutative, and associative properties. It explains the order of operations using PEMDAS and GEMDAS, and reviews operations with integers, decimals, and fractions. The tutorial provides examples and tips for remembering these concepts, emphasizing their importance in math courses.

What is the additive identity?

• None of the above

• 7

• 0

• 1

What is the result of 7 + 2 - 2?

• 0

• 7

• 9

• 2

What is the multiplicative identity?

• 0

• 1

• None of the above

• 2

What is the reciprocal of 3/2?

• 2/3

• 3/2

• 1/3

• 2

What is the result of 6 + (-6)?

• 0

• 6

• -6

• 12

Which property states that the order of addition does not change the result?

• Inverse

• Associative

• Commutative

• Distributive

Which property states that the grouping of addition does not change the result?

• Associative

• Inverse

• Distributive

• Commutative

What is the distributive property?

• a(bc) = (ab)c

• a - b = a + (-b)

• a(b + c) = ab + ac

• a + b = b + a

What does PEMDAS stand for?

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

What is the result of 3.2 - 5.1?

• -8.3

• 1.9

• 8.3

• -1.9