3-1
Writing expressions
January 3
Tell what each expression would mean if a represents
someone’s age
a+5
a–3
3-3
Solving Multiplication Equations
January 5
William and Bryce are solving -6x = 72. Who is correct?
Why?
William
Bryce
-6x = 72
-6x = 72
-6x = 72
-6x = 72
-6 -6
6
6
2a
x = -12
x = 12
a/2
Divide. Write in simplest form.
Evaluate each expression
3+7*4–6
8(16 – 5) – 6
3-2
75 ÷ 3 + 6(5 – 1)
Addition and Subtraction Equations
January 4
b + 5 = -8
11 + y = 8
8%
25.6%
January 6
-6 + a = -9
Write each percent as a decimal.
25%
Mid-Chapter Review
1. Write an algebraic equation for: 10 less than a
number is 45.
Which one doesn’t belong? Explain why.
x – 1 = -4
3-4
123%
Solve each equation
2. 21 + m = 33
3.
a – 5 = -12
4. 5f = -75
5.
-28 = -2d
Mid- Chapter Review
January 9
1. Write an algebraic equation for: The product of a
number and 3 is -16
Solve each equation
2. p + 1.7 = -9.8
3.
3-6
Measurement
January 11
Draw a rectangle and label each of the sides.
Width = w
Length= one more than 3 times the width
56 = k – (-33)
Write an expression for the area of the rectangle.
4. -16w = 48
5.
-3.7g = -4.44
Subtract. Write in simplest form.
3-5
Two-step equations
January 10
What is the first step that you would do when solving each
equation?
3x + 1 = 7
-6r + 1 = -17
-7 = 1 + 2n
3-7
Functions and Graphs
Plot the points from the function table.
y=x+3
x
y
-5
-2
0
3
2
5
Write each ratio as a percent
72 out of 100 animals
3.1 out of 100 households
Multiply
January 12
Chapter 3 Review Part I
January 13
Write each phrase as an algebraic expression.
1.
$5 less than Tomasita has
2.
4 years older than Hannah
3.
56 inches is 9 inches shorter than Jacob’s height
4.
Twice the distance from the park to the post office
is 5 miles
Denisha has $15 to buy seeds for her flower garden. The
seeds cost $1.25 per package. The equation below
describes the number of seed packages (p) that Denisha
will buy.
1.25p = 15
What is the first step to find the value of p?
Chapter 3 Review Part II
January 17
Solve each equation
1.
x + 5 = -8
2.
9z = -81
3.
3z – 7 = 17
4.
-6k + 4 = -38
The prices of 10 different backpacks at a store are listed
below.
$18, $18, $18, $18, $18, $18, $18, $18, $50, $50
Which statistical measure provides the best information
about the typical price of a backpack at the store?