Writing and Solving Expressions with Let Statements

Why is it important to substitute variables when writing expressions?

• To avoid using numbers

• To confuse the students

• To ensure clarity and accuracy in solving

• To make the expressions look longer

What is the first thing we need to determine when given a scenario involving let statements?

• The unknown variable

• The weight of the cookies

• The number of cookies Alex has

• The total number of cookies

Which variable is used to represent the number of cookies Nathan has?

• n

• x

• a

• c

Why is it important to be specific when writing let statements?

• To confuse others

• To make the statement longer

• To use more variables

• To avoid ambiguity

Why should we avoid writing expressions like 2x or n times 2?

• They are incorrect

• They can cause confusion later

• They are too complex

• They are too simple

What does the expression 2n represent in the context of the video?

• The number of cookies Nathan has

• The number of cookies Alex has

• The total number of cookies

• The number of cookies Rebecca has

How do we represent the number of cookies Rebecca has?

• n + 5

• 2n

• n - 5

• 5n

If Nathan has 10 cookies, how many cookies does Alex have?

• 15

• 25

• 20

• 10

What is the correct format to use when substituting values into expressions?

• Using a colon

• Using a period

• Using a semicolon

• Using a comma

How many cookies does Rebecca have if Nathan has 10 cookies?

• 10

• 15

• 20

• 25