Vocabulary
Exponents
Fractions and Decimals
Evaluating Expressions
Writing Expressions
100
What is expanded form?
Breaks a exponents down to show the value of each factor, written as a multiplication problem
example 23 is 2 x 2 x 2
100
Write 2x2x2x2x2x2x2x2x2x2 as an exponent
210
100
Solve 95.2 x 0.04
3.808
100
What is the steps of order of operations
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
100
Mei is shopping for the items shown in the table.
Write an expression to represent the total cost of 6 bubbles, 2 beach balls, and 3 sand buckets.
( 6 x 1.49 ) + (2 x 2) + (3 x 3.50)
200
What is an exponent?
The small raised number. Tells you how many times to multiply the base
Example the 3 in 23
200
write 2 3/4× 2 3/4× 2 3/4× 2 3/4× 2 3/4 as an exponent
2 3/4 5
200
The total for a restaurant bill is $57.23. If the bill is split among 4 friends equally, how much will each person pay?
$14.30
200
Evaluate 73 - (34 / 3) - 35
11
200
Alice takes an art class after school once a week. At each class, she buys a bottle of juice for $1.25 and a bag of pretzels for $0.85. Which of the following expressions represent the amount of money, in dollars, Alice spends after attending 8 art classes?
8(1.25 + 0.85)
or
8(1.25) + 8(0.85)
300
What does the word evaluate mean?
The word evaluate means to solve the problem
300
Write in expanded form and then evaluate 45
4 x 4 x 4 x 4 x4
1024
300
Find 5/6 ÷ 7/10. Write your answer in simplest form.
25/21
300
Evaluate 22 + (43 - 62) ÷ 1/2.
36
300
Coach Chris is shopping for the items shown in the table.
Item
Soccer ball
Shirt
Pen
Cost ($)
5.00
12.50
1.39
Write an expression to represent the total cost of 5 soccer balls, 2 shirts, and 7 pens. Then solve
(5 x 5) + ( 2 x 12.50) + (7 x 1.39)
$59.73
400
What does the base mean?
The base is the number being repeatedly multiplied by itself
example: in the number 35 3 is the base
400
Write in expanded form and evaluate 28
2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
256
400
multiply 2/4 x 3/8
3/16
400
Evaluate 4 + ( 6 2÷ 1/4) x 3
436
400
Diana and 2 friends are visiting the local fair. Each person buys a hamburger for $6.60 and a drink for $3. They have a coupon for $1 off each hamburger. Write an expression to represent the total cost.
Then solve
3 x ( 6.60 -1) + (3 x 3)
$25.80
500
What does expression mean? What does equation mean?
Expression is a combination of numbers, variables, and operations that represents a value but does NOT have an equal sign.
An equation is a combination of numbers, variables, and operations that represents a value and has an equal sign.
500
Write in expanded form and evaluate 36
3 x 3 x 3 x 3 x 3 x 3
729
500
3/7 divided 3/8
1 1/7
500
Evaluate 80 ÷ ( 42 ÷ 2/5) + 3.75
5.75 or 5 3/4
500
An art teacher is ordering colored pencils for the new school year. The table shows the number of colored pencils per box size.
Box Size Number of Colored Pencils
Small 12
Medium 64
Large 100
The teacher buys 24 small boxes, 12 medium boxes, and 5 large boxes. She had to return 3 small boxes due to defects. How many colored pencils does the teacher have in all?
__ colored pencils
1520 colored pencils