Holly baked 7 dozen chocolate chip cookies and 3 dozen oatmeal cookies. Her family ate 4 oatmeal cookies and 2 chocolate chip cookies. How many cookies were left?
114
Write an expression for 48 divided by the sum of 3 and 5
48 / 3+5
What property of multiplication is shown? a x 0 = 0
The Zero Property of Multiplication
The greatest common factor of 35 and 21
7
(20 + 12) x 4
128
Betty bought a book for $25, a pen for $4, and a scarf for $16. She paid with a fifty dollar bill. How much change should she receive?
$5
Write an expression for 2 times 3 times the difference of 15 and 9
2 x 3 x (15 - 9)
What property of multiplication is shown? a x b = b x a
The Commutative Property of Multiplication
The greatest common factor of 32 and 60
4
50 + 6 x 11 - 4
112
For a concert, chairs were arranged in 7 rows of 15 chairs. Then people showed up late and added 11 more chairs to the back. Now how many chairs are there?
116
Write an expression for 10 less than the product of 75 and 2
75 x 2 - 10
What property of multiplication is shown?
a x (b x c) = (a x b) x c
The Associative Property of Multiplication
The least common multiple of 8 and 6
24
(12 + 12 - 32 ) x 4 -23
37
The Chess Club and Robotics Club both meet in the gym. The Chess Club meets every 6 days and the Robotics Club meets every 8 days. If they are sharing the gym today, when is the next time they will both need to share the gym?
Write an expression for this: Maddie bought 4 dozen bagels and got another free bagel for every dozen
4 x 12 + 4
What property of division is shown?
0 divided by a equals 0
Zero Property of Division
The least common multiple of 30 and 8
120
2 x 112 -2 x (4 x 7 - 3)
192
A radio station is promoting a concert. Every 8th caller gets free tickets and every 12th caller wins backstage passes. Which caller is the first to win both?
24th caller
Write an expression: Marc ran 6 miles at a pace of 9 minutes per mile and also took a 5 minute water break
6 x 9 + 5
What property of multiplication is shown?
a x (b+c) = (a x b) + (a x c)
The Distributive Property of Multiplication
The greatest common factor of 21 and 98
7
(26-15)2 - (15-7-5)3
94