Order of Operations and Basic Arithmetic

The video tutorial covers Lesson 13-1, focusing on the order of operations using PEMDAS. It explains the importance of following the correct order to avoid errors in calculations. The teacher demonstrates solving problems step-by-step, including examples with fractions and word problems. Students are encouraged to practice using the Practice Buddy or adaptive practice tools to reinforce their understanding.

What is the correct order of operations to solve mathematical expressions?

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

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

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

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

Why is it important to follow the order of operations?

• To make calculations faster

• To ensure the answer is always a whole number

• To avoid getting different answers for the same problem

• To use all mathematical operations equally

In the expression 4 + (3 × 2), which operation should be performed first?

• Addition

• Division

• Multiplication

• Subtraction

What is the result of 12 divided by 2 in the context of solving expressions?

• 6

• 4

• 10

• 8

When dealing with fractions in expressions, what method is used to divide by a fraction?

• Flip-Change-Keep

• Multiply-Divide-Add

• Add-Subtract-Multiply

• Keep-Change-Flip

How much does each person pay if a $37.85 meal is shared equally among 5 friends?

• $7.50

• $7.75

• $7.70

• $7.57

What is the total cost of two large pizzas if each costs $12?

• $26

• $24

• $22

• $20

How do you determine how much more ribbon Carlita needs for her project?

• Add the lengths of ribbon she has

• Multiply the lengths of ribbon she has

• Divide the total ribbon she has by the required amount

• Subtract the total ribbon she has from the required amount

What is the common denominator used for 1/4 and 1/2 in the ribbon problem?

• 5

• 2

• 3

• 4

How much more ribbon does Carlita need if she has 5 1/4 and 2 1/2 yards, but needs 12 1/2 yards?

• 4 1/2 yards

• 5 1/4 yards

• 5 yards

• 4 3/4 yards