Properties
What property is shown?
6 + 4 + 7 = 7 + 6 + 4
What is the commutative property of addition?
Are the following expressions equivalent?
5 * 0 = 1 * 5
* = multiplication
What is not equivalent?
Write an expression for the following:
two times five plus the difference of four and one
What is 2*5 + (4-1)?
* = multiplicaiton
What are the first three multiples of 6?
What is 6, 12, and 18?
Which of the following are factors of 40?
1, 2, 3, 4, 5, 8, 10, 20, 40
What is 1, 2, 4, 5, 8, 10, 20, 40?
Three is not a factor of 40.
28 * 1 and 28 are equivalent because of the property ___?
Write an equivalent expression using the associative property of multiplication for the following.
5 * (8 * 2)
* = multiplication
What is (5 * 8) * 2?
Carson has 64 Pokeman cards. He gives 23 cards to his friend Johnny. How many Pokeman cards does Carson have now? Write an expression to solve.
Bonus: How many cards does Carson have now?
What is 64 -23?
Carson has 21 cards now.
What are the first four multiples of 15?
What is 15, 30, 45, and 60?
What are the factors of 60? Hint there are 10!
What is 1, 2, 3, 4, 5, 12, 15, 20, 30, and 60?
Evaluate the expression.
(0 * 4) + (0 + 16) + 9
What is 25?
Write an equivalent expression for the following:
(6 * 8) + (x * 8)
* = multiplication
What is 8 (6 + x) or 8 (x + 6)?
Which of the following expressions represent the following situation?
Nigel is planning to go to the movies with his friends. He invited 6 friends to the movies. Each person must pay $8 for the movie and $2 for popcorn.
a. 7 (8 + 2)
b. 6 * 8 + 2
c. (7 * 8) + (7 * 2)
d. 6 * 8 + 6 * 2
e. 6 + 8 + 2
What is a and c. Since there are 7 people total, each person has to pay $8 for the movie and $2 for popcorn. For a total of $70.
What is the least common multiple between 24 and 40?
What is 120?
Find the GCF between 4 and 28
What is 4?
Ben read for 50 minutes, played basketball for 30 minutes and watched television for 25 minutes. Write two expressions using the associative property of addition.
What is (50 + 30) + 25 or (25 + 30) + 50?
45x + 18 is equivalent to which of the following? Hint: there is more than one!
a. 9 (5x + 2)
b. 10 (35x + 8)
c. 45x * 0 + 18
d. 3 (15x + 6)
What is a and d are equivalent using the distributive property of multiplication.
Johnny is going to the Haunted Haunt at King's Island. He spends $25 on his ticket and $9 on his food. Give two equivalent expressions that could be used to determine the total money Johnny spent.
What is $25 + $9 and $9 + $25?
Skylar delivers newspapers are 7 days and Nigel delivers magazines every 5 days. How many days does it take for them to deliver both newspapers and magazines on the same day?
What is 35 days?
What is the greatest common factor between 14 and 91?
What is 7?
use the distributive property to write an expression using the following:
30x + 24
What is 3 (10x + 8) or 2 (15x + 12)
Equivalent or not Equivalent?
45 * 9 = 32 * 15
Not equivalent
45 * 9 = 405 and 32 * 15 = 480
Use the distributive property to write an expression for the following:
6x + 16
What is 2 (3x + 8).
Hot dogs are sold in packages of 10 and hot dog buns are sold in packages of 8. how many packages of hot dog packages and how many hot dog buns packages are needed so that there won't be any left over?
What is 40 of each? You would need to buy 4 packages of hot dogs and 5 packages of hot dog buns.
You have two pieces of string. One is 40 inches long and the other is 25 inches. You want to cut each string into smaller pieces of equal length. Each length is to be a whole number of inches. List all of the possible lengths of the shorter pieces. What is the greatest common length?
What is factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
factors of 25: 1, 5, 25
The greatest length or GCF is 5 inches.