a. List the first 5 multiples of 5 and 3
b. Find the least common multiple (LCM) of 5 and 3
What is
a. 5: 5, 10, 15, 20, 25
3: 3 6 9 12 15
b. 15
100
a. Evaluate the expression: (0 x 3) x 4
b. Which property does it demonstrate?
a. What is "0"
b. What is the "Zero Property of Multiplication"
100
First, list the factors of 75 and 20
Next, find the GCF (Greatest Common Factor)
What are:
75: 1x75, 3x25, 5x15, Factors: 1, 3, 5, 15, 25, 75
20: 1x20, 2x10, 4x5 Factors: 1, 2, 4, 5, 10, 20
Greatest (Largest) Factor they have in common: 5
100
a. The first 5 multiples of 6 and 8
b. Least common multiple of 6 and 8
What are 6, 12, 18, 24, 30
8, 16, 24, 32, 40
What is 24
200
a. Rewrite 7 x 7 x 7 x 7 using exponents.
b. Find the value of the expression.
a. What is 7^4
b. What is 2401
200
Evaluate the expression 7(0 x 5)
What is 0
200
Use the Commutative Property to write an expression equivalent to 26 + 24
What is 24 + 26
200
The prime factors of 18
What are 2 x 3 x 3
200
Find the least common multiple of 9 and 6
What is 18
300
The length of a rectangle is three times the width. If the width is represented by x, write an algebraic expression that describes the length.
What is 3x
300
An algebraic expression for "20 more than b"
What is b + 20
300
Which of the following expressions are equivalent to
27 x r x 24?
a. (27 x r)x24 b. r x 24 x 27
c. 27 x 24 x r d. 27(r x 24)
What are b & c
300
Use prime factorization to find the GCF (Greatest Common Factor) of 40 and 100
hint: use factor trees
What is 20
300
Two discs rotate at different speeds. The smaller disc rotates once every 6 minutes. The larger disc takes 15 minutes to rotate. Each disc has an arrow engraved on it. If they both start at the same time, how long will it take for the arrows to align? (hint - think LCM)
What is 30 minutes?
400
Jennifer is taking a taxi to the airport. The taxi charges and initial fee of $2 and then $3 per mile.
a. Write an algebraic expression for the cost of the taxi ride of m miles.
b. Evaluate the expression to find how much a 9-mile taxi ride would cost Jennifer.
What is
a. 2 + 3m
b. $29
400
a. 3 x 3 x 3 written in exponential form
b. The value of the expression
What is 3^3
What is 27
400
Determine which expression is equivalent to (f+2) + 8. Use the Associative Property of Addition:
a. f + (2+8) b. (f+8) + 2
c. 8 + (f+2) d. f + 2 + 8
What is: a, f + (2+8)
400
The GCF of 18 and 27
What is 9
400
A group of people are waiting in line to get into the movies.
Every 10th person will receive a free movie ticket. Every 6th person will receive a gift card for $30. Which person is the first to win both prizes?
What is the 30th person in line?
500
You are buying balloons for a party. A small balloon costs $2. A large balloon costs $4.
a. Write and algebraic expression for the cost of x small balloons and y large balloons.
b. Find the total cost for 6 small balloons and 6 large balloons
What is
a. 2x + 4y
b. $46
500
Identify the two expressions that are equivalent by the Distributive Property:
6(5+2) 6(5) + 6(2) (6+5)(6+2) 6(5) + 2
What are 6(5+2) and 6(5) + 6(2)
500
Your friend works 24 hours a week for $8 per hour. Use the
Associate Property of Multiplication to show how much she earns in 'w' weeks.
What is (24x8) x w
or What is 24 x (8 x w)
500
Students in an art class cut colored paper into equal sized squares. The paper measures 14cm by 98cm. Find the greatest possible side length for each square piece?
What is 14?
500
Two wheels rotate at different speeds. Both wheels have reflectors attached to the spokes. The smaller wheel rotates once every 14 minutes. The larger wheel rotates every every 21 minutes. How long before the reflectors match up?