Vocabulary
A number sentence where the value on the left and the right of the equal sign (=) is the same is called an...
What is an equation?
9 x 30 =
What is 270?
Complete the problem
7 x 60= 7 x (___ x 10)
What is 6?
7x 60= 7 x ( 6 x 10)
Eddie bought 4 packs of Pokemon cards. Each pack had 100 cards. How many cards did he buy?
What is 400 cards?
What property does the following equation show? (Associative, Commutative, Identity)
17+14=14+17
What is Commutative Property?
The _____ states that any number multiplied by zero has a product of zero.
What is Zero Property of Multiplication?
5 x 60=
What is 300?
Complete the problem
5 x 40= 5 x ( ____ x 10)
What is 4?
5 x 40=5x (4x10)
They had 40 boxes of pasta sauce in storage and received 47 more boxes last month. How many boxes of pasta sauce are there?
What is 87 boxes of pasta?
What property does the following equation show? (Associative, Commutative, Identity)
93+0=93
What is Identity Property?
____ is an operation that gives the total number that results when you join equal groups.
What is multiplication?
3 x 80=
What is 240?
Solve the problem.
5 x (4x10)=
There are 32 candy bars and 16 juice boxes at the concession stand. There are two boxes of candy bars in the storage room. If each box contains 24 candy bars, how many candy bars are there in total?
32 + 24 + 24 = 80 \
There are 80 candy bars in total.
What property does the following equation show? (Associative, Commutative, Identity)
9+(5+9)=(8+5)+9
What is the Associative Property?
The inverse operation of multiplication is _____
What is division?
2 x 30=
What is 60?
7x(6x10)=
What is 420?
At the soda dispenser, there are 31 large paper cups, 23 medium paper cups and 12 small paper cups. How many paper cups are there in total?
31 + 23 + 12 = 66
There are 66 paper cups in total.
What property does the following equation show? (Associative, Commutative, Identity)
65+0=65+0
What is the Commutative Property?
Multiplying two numbers gives you a ____
What is a product?
Martina has $504. She spends $199 on new computer software. Use mental math to find out how much money Martina has left.
What is $105?
Solve the problem
9x(8x10)=
What is 720?
There are 42 seats in one auditorium and 45 in the other. In each auditorium, there are 3 extra seats at the back for disabled persons. How many seats are there in total?
42 + 45 + 3 + 3 = 93
There are 93 seats in total.
You do not need a pencil and paper when using_____
What is Mental Math?