Name that Property
Mental Math and Estimation
Exponents
Multiplication
Write an Equation and Solve
100
3x0=0
What is the zero property
100
10x8
What is 80
100
4x4x4 in exponential form
What is 4^3
100
21x2
What is 42
100
Joe took 15 photos and Molly took 2 times as many as Joe. How many photos did Molly take?
What is 15x2=p p=30 photos
200
5x1=5
What is identity property
200
30x2
What is 60
200
6^5 in expanded form
What is 6x6x6x6x6
200
21x16
What is 336
200
A hardware store ordered 9 packs of screws. Each pack contains 150 screws. How many screws did the store order?
What is 9x150=s s=1,350 screws
300
6x9=9x6
What is the commutative property
300
12x20
What is 240
300
16x16x16 in exponential form
What is 16^3
300
35x29
What is 1,015
300
Abby is 12 years old. Katie is 4 times as old as Abby. How old is Katie?
What is 12x4=x x=48 years old
400
(2x5)x3=2x(5x3)
What is the associative property
400
20x50x7
What is 7,000
400
5x5x5 in standard form
What is 125
400
451x10
What is 4,510
400
An aquarium has display tanks that each contains 75 fish. Three of the tanks are at the entrance. How many fish are on display at the entrance?
What is 75x3=f f=225 fish
500
5x9x10=9x10x5
What is the commutative property
500
97x15
What is 1,500 or what is 2,000
500
4^3 in standard form
What is 64
500
946x33
What is 31,218
500
BONUS: Use the distibutive property to solve! 7X420
What is (7x400) + (7x20) =2,800+140 =2,940
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