Date:
September 9, 2014
Lesson Focus:
Unit Name:
Objectives:
Writing Expressions
Demonstrating Patterns Using Multiple Representations
Translate verbal phrases into expressions; Write an expression; Use a
verbal model to write an expression
TEKS Standards:
ALGI.1D Represent relationships among quantities by using and
building concrete models, completing tables, constructing
graphs or diagrams, writing verbal descriptions, and writing
equations and inequalities.
ALGI.3A Use manipulatives, drawings, verbal descriptions, and
symbols to represent unknowns and variables in real-world
situations.
Key Vocabulary: What key terms will my students need to understand?
Sum
Product
Difference
Quotient
More than
Less than
Times
Divided by
Decreased by
Appreciates
Depreciates
Assessment Plan:
Lesson Cycle:
Engage and Connect: How will I engage my students in learning? How will I
lead my students to mastery?
The teacher/Students will…
_5__min
DO FIRST – Write the following word sentences in algebraic form by using
variables
Cell
phones,
projector,
laptop
1. 𝑇ℎ𝑒 𝑠𝑞𝑢𝑎𝑟𝑒 𝑜𝑓 𝑎 𝑛𝑢𝑚𝑏𝑒𝑟 𝑑𝑒𝑐𝑟𝑒𝑎𝑠𝑒𝑑 𝑏𝑦 3
2. 9 𝑙𝑒𝑠𝑠 𝑡ℎ𝑎𝑛 𝑎 𝑛𝑢𝑚𝑏𝑒𝑟
3. 𝑡ℎ𝑒 𝑠𝑢𝑚 𝑜𝑓 𝑡𝑤𝑖𝑐𝑒 𝑥 𝑎𝑛𝑑 𝑦
Materials:
4. 9 𝑡𝑜 𝑡ℎ𝑒 𝑡ℎ𝑖𝑟𝑑 𝑝𝑜𝑤𝑒𝑟
1. 𝑇ℎ𝑒 𝑞𝑢𝑜𝑡𝑖𝑒𝑛𝑡 𝑜𝑓 𝑎 𝑎𝑛𝑑 𝑏
Introduce New Learning:
The teacher will…(I do)
_10__min
Materials:
Teach vocabulary for translating verbal phrases. (Key term for Addition,
Subtraction, Multiplication, Division) using notes on converting words and
phrases to math symbols.
Study Guides and notes, variable expressions. Review what a variable is and
introduce vocabulary for the basic mathematical operations.
Guided Practice:
The teacher/students will…(We do)
_20__min
Materials:
Translating verbal phrases into expressions:
From Introduction to translation game:
A number increased by four
A number plus eight
A number decreased by four
A number minus 8
Six times a number
A number multiplied by eight
Six divided by a number
The quotient of a number and eight
The cube of a number
“Suppose I cut a ribbon 8 feet long into p pieces of equal length. Write an
expression that represents the length (in feet) of each piece.”
“Suppose you and 5 of your friends decide to contribute an equal amount
for an after-EOC celebration. Write an expression that represents the total
amount (in dollars) contributed.”
Independent Practice:
The students will…(You do)
_5__min
Materials:
The students will represent verbal quantitative situations algebraically and
evaluate these expressions for given replacement values of the variables
BINGO.
Differentiation: How will I scaffold and/or accelerate learning? For Whom? How will I
group my students?
Varied sources of problems, difficulty levels.
Accommodations/Modifications:
Colors, shapes, and words to accommodate all learners. Symbols along with words to
help with mathematical operations. Student creation of a bingo card.
Homework:
Homework: Variables and Expressions (1-9), 10 – 34 (even only)