1. Do Now 9/16/11
Take out HW from last night.
Text p. 20, #10-36 evens, #40 & 41
Did you hand in the POTW#1?
Copy HW in your planner.
Text p. 24, #7-20 all, evens, 36 & 37
In your journal, list as many “clue” words you can think of that indicate a mathematical operation. For example, the word ‘plus’ would indicate the operation of addition.

2. Homework Text p. 20, #10-36 evens, #40 & 41
10). 14
12). 14
14). 16
16). 320
18). 30
20). 106
22). 70
24). 9
26). 16
28). 26
30). 9
32) seconds
34). 2,600 watts
36). a) 100 °C
b) 212 °F
40). C
41). H

3. Objective
SWBAT translate numbers, operations, and variables into expressions

4. Section 1.4 “Translating Words into Math”
Verbal model
describes a problem using words as labels and using math symbols to relate the words
‘sum’
‘minus’
‘divided’
‘times’

5. Writing Algebraic Expressions
Operation
Verbal Phrase
Expression
Addition
Subtraction
Multiplication
Division
Add, sum, plus, total,
more than,
increased by +
5 + n k + 12
Subtract, difference,
less than, minus,
decreased by, take away
12 – p x – 12 –
3 x (d)
ab p ∙ k
Product, times,
of, multiplied by x
Quotient, divided by,
divided into ÷
k/ ÷ r

6. Translate verbal phrases into expressions
7 less than a number n
n – 7 b.
3 times a number y 3y c.
the difference of a number x and the number m
x – m d.
the sum of 12.5 and the number c c

7. Translate verbal phrases into expressions
7 times the sum of a number n and 2
7(n + 2) b.
the sum of 4 times a number y and 2
4y + 2 c.
the quotient of 50 and the quantity of m plus 6 50
m + 6 d.
28 multiplied by the quantity of c less 8
28(c – 8)

8. NJASK7 prep
Homework
Text p. 24, #7-20 all, evens, 36 & 37