Download ch01_quiz

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
Lesson Quizzes
Preview
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
1-10
1-11
Numbers and Patterns
Exponents
Order of Operations
Properties of Numbers
Evaluating Algebraic Expressions
Writing Algebraic Expressions
Equations and Their Solutions
Solving Equations by Subtracting
Solving Equations by Adding
Solving Equations by Dividing
Solving Equations by Multiplying
1-1 Numbers and Patterns
Lesson Quiz: Part I
Identify a possible pattern. Use your pattern
to write next three numbers.
1. –8, –6, –4,
,
,
,…
Add 2; –2, 0, 2
2. –3, 6, –12, 24,
, , ,…
Multiply by –2; –48, 96, –192
3. 0, 1, 3, 6, 10,
,
,
,…
Add 1 more than the number previously added;
15, 21, 28.
1-1 Numbers and Patterns
Lesson Quiz: Part II
Identify a possible pattern. Use your
pattern to draw the next three figures.
4.
5. Make a table that shows the number
of dots in the figure. Tell how
many dots are in the seventh figure of
a possible pattern. Use drawings to
justify your answer.
14
1-2 Exponents
Lesson Quiz
Find each value.
1. 73
3. 34
343
2. 63
4. 85
81
216
32,768
Write each number using an exponent
and the given base.
5. 125, base 5
6. 16, base 2
53
24
7. Find the volume of a cube if each side is
12 inches long.
1,728 in3
1-3 Order of Operations
Lesson Quiz: Part I
Simplify each expression.
1. 27 + 56 ÷ 7
2. 9

7–5
35
58
3. (28 – 8) ÷ 4
5
4. 136 – 102 ÷ 5
116
5. (9 – 5)3
1,024

(7 + 1)2 ÷ 4
1-3 Order of Operations
Lesson Quiz: Part II
6. Denzel paid a basic fee of $35 per month plus
$2 for each phone call beyond his basic plan.
Simplify the expression 35 + 8(2) to find how
much Denzel paid for a month with 8 calls
beyond the basic plan.
$51
1-4 Properties of Numbers
Lesson Quiz
Tell which property is represented.
1. 17  1 = 17
Identity Property
Associative Property
3. 2  16 = 16  2 Commutative Property
2. (12 + 14) + 5 = 12 + (14 + 5)
Simplify each expression. Justify each step.
4. 4  12  25
1,200
5. 48 + (15 + 2)
65
Use the Distributive Property to find each product.
6. 6  (12 + 5)
7. (20 – 7)  9
102
117
1-5 Evaluating Algebraic Expressions
Lesson Quiz
Evaluate n + 7 for each value of n.
1. n = 25 32
2. n = 31 38
Evaluate each algebraic expression for the
given value of the variables
3. 6y – 5 for y = 7
37
4. 4x2 + 3x for x = 6
162
5. 56 + 3y for x = 4 and y = 3
23
x
6. The expression 7d gives the number of days in
d weeks. Evaluate 7d for d = 12. How many
days are in 12 weeks? 84
1-6 Writing Algebraic Expressions
Lesson Quiz
Write each phrase as an algebraic expression.
1. 18 less than a number
x – 18
x
2. the quotient of a number and 21
21
3. 8 times the sum of x and 15 8(x + 15)
4. 7 less than the product of a number and 5 5n – 7
5. The county fair charges an admission of $6
and then charges $2 for each ride. Write an
algebraic expression to represent the total
cost after r rides at the fair. 6 + 2r
1-7 Equations and Their Solutions
Lesson Quiz
Determine whether the given value of each
variable is a solution.
1. 85 = 13x for x = 5
no
2. w + 38 = 210 for w = 172 yes
3. 8y = 88 for y = 11
yes
4. 16 = w  6 for w = 98
no
5. The local pizza shop charged Kylee $172 for 21
medium pizzas. The price of a medium pizza is
$8. Determine if Kylee paid the correct amount of
money. (Hint: $8 • pizzas = total cost.)
no
1-8 Solving Equations by Subtracting
Lesson Quiz
Solve each equation.
1. x + 15 = 72
x = 57
2. 81 = x + 24
x = 57
3. x + 22 = 67
x = 45
4. 93 = x + 14
x = 79
5. Kaitlin is 2 inches taller than Reba. Reba is
54 inches tall. How tall is Kaitlin? 56 inches
1-9 Solving Equations by Adding
Lesson Quiz
1. x – 9 = 21
x = 30
2. 14 = x – 3
x = 17
3. x – 7 = 11
x = 18
4. 16 = x – 14 x = 30
5. x – 9 = 11
x = 20
6. Susan is taller than James. The difference in
their height is 4 inches. James is 62 inches
tall. How tall is Susan?
66 inches
1-10 Solving Equations by Dividing
Lesson Quiz
Solve each equation.
1. 10y = 300
y = 30
2. 2y = 82
y = 41
3. 63 = 9y
y=7
4. 78 = 13x
x=6
5. The area of a board game is 468 square inches.
Its width is 18 inches. What is the length?
26 inches
1-11 Solving Equations by Multiplying
Lesson Quiz
Solve each equation. Check your answers.
1. x = 7 x = 70
10
2. 8 = x
x = 32
4
3. x = 11 x = 99
9
4. x = 7 x = 105
15
5. The area of Sherry’s flower garden is onefourth the area of her vegetable garden. The
area of the flower garden is 17 square feet. Let x
represent the area of her vegetable garden. Find
the area of her vegetable garden. 68 square feet