Verbal Expressions

AIM/Focus Question

How can we write expressions using variables for numbers?

CCLS:

6.EE.2a: Write expressions that record operations with numbers and with letter standing for numbers.

Mathematical Practices:

MP1: Make sense of problems and persevere in solving them.

MP7: Look for and make sense of structure.

MP8: Look for and express regularity in repeated reasoning.

Prerequisite Skills & Vocab:

Students have already learned how to write and solve numeric expressions. Students use their understanding of expressions in order to write expressions when a value is unknown.

Vocab: variables

- Subtraction, difference between, subtract, fewer, decrease, minus, take from, difference, take away, reduce

Multiply, multiplied by, product, groups of, times, double, twice
Division, divided by, share, divide, share equally, divisible by, divide into, group

Differentiation:

The SWD’s will receive their accommodations according to their IEPs. Each level will have a student choice to advance to the more difficult problems.

Based on unit 4 pre-assessment

Students are grouped based on their pre-assessment into level 1, 2, or 3. Level 1 being the lowest functioning to level 3 being the highest functioning.

Summarize:

We will review some questions from the worksheet.

How are numeric expressions and algebraic expressions related?

How can you determine what a variable represents?

Original "Mini-Lesson"

I will discuss and review the following vocabulary:

Variable: is letter that is used to represent an unknown value

Algebraic expression: is a combination of variables, numbers, and at least one operation.

With your partner create a graphic organizer for words that describe addition, multiplication, subtraction, and division.

Steps to translate an algebraic expression:

WORDS Describe the situation. Use only the most important words

VARIABLE Choose a variable to represent the unknown

EXPRESSION Translate the verbal phrase into an algebraic expression

Example:

WORDS ten dollars less than the original price

VARIABLE original price- p

EXPRESSION p -10

Technology Integrated "Mini-Lesson"

Instead of discussing the vocabulary with the students, the students can instead research the vocabulary words and make Voki Presentations to share out definitions.
*The integration is during the mini lesson which reviews vocabulary. The lesson takes the vocabulary learned and helps students translate verbal expressions into algebraic expressions.