Mathematical Concepts and Problem Solving

This video tutorial introduces Chapter 7, Lesson 1 on numerical expressions. It covers the essential question of how patterns are used to solve problems, explains numerical expressions, and demonstrates solving problems using addition and multiplication. The lesson includes practice problems and instructions for homework submission.

What is the essential question explored in this lesson?

• How do we evaluate mathematical operations?

• What is the importance of numerical expressions?

• What is the role of homework in learning?

• How are patterns used to solve problems?

What should students refer to for help with their homework?

• The lesson packet

• The homework helper

• The teacher's notes

• The textbook

What is a numerical expression?

• A combination of numbers and at least one operation

• A single number

• A graph

• A word problem

In the hiking example, what is the total distance hiked?

• 20 miles

• 5 miles

• 15 miles

• 10 miles

How can repeated addition be expressed in another way?

• As subtraction

• As division

• As multiplication

• As a fraction

In the student groups problem, how many students are there in total?

• 22 students

• 18 students

• 14 students

• 10 students

What does PEMDAS stand for?

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

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

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

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

What property states that the order of numbers does not change the sum or product?

• Commutative Property

• Identity Property

• Distributive Property

• Associative Property

In Caleb's music class, how many students are there in total?

• 16 students

• 20 students

• 24 students

• 28 students

How many snacks were there in total after Bailey's soccer game?

• 38 snacks

• 42 snacks

• 30 snacks

• 34 snacks