Properties
Which property allows the order of numbers to be changed for adding and multiplying.
If 1/3 = x/6, then x is _______.
x=2
3x=6
x=2
3 + (4 x 2) =
11
Show the correct order for the calculation described:
The sum of 7 and 2.6 is multiplied by 9. Then this product is divided by the result of 4 - 2.8.
*hint: Make sure the parenthesis are in the right place!!
9 ( 7 + 2.6) / (94-2.8)
What property allows a number/pattern to be pulled out and multiplied by the other numbers.
Distributive property
Put the decimals in order least to greatest....
4.0, 0.4, 0.44, 4.4
0.4, 0.44, 4.0, 4.4
5 x _____ = 0.25
1/5
9/3 + (4 X 2) +7
18
39/50 = 78%
78% + 10%= 88%
Which property says that any number times one is itself?
Identify
Which numbers are multiples of 7?
5, 14, 20, 21, 49, 30, 35
14, 21, 49, 35
3 divided by X = 1
3^3 ( 4/2)=
18
Christi has 1/4 as many soar tickets as Jackson. Crystal has 3 more than 50% of the number of soar tickets that Jackson has. Jackson has 12.
Jackson: 12
Crystal: 21
Christi: 3
What property allows for the reciprocal or the flip of numbers and it equals 1 or 0.
Inverse Property
Which numbers are greater than 100?
109, 10^1, 10^3, 99
109, 10^3
_____and______ are the 2 video game characters always trying to save the princess.
Who are Mario and Luigi?
What is the order of operation saying or acronym?
PEMDAS
Chandra bought twice as many plants as Marvin. Kira bought 1/3 as many plants as Chandra. Marvin brought 6 plants.
Write an expression to show the total amount of plants brought.
2 x 6 + 6 + 1/3(2 x 6).
Chandra 2 X 6
Marvin +6
Kira 1/3 (Chandra)
Which property allows for the grouping of numbers to change for multiplication and addition.
Associative Property
3+6^2 divided by 12.
6
Find two prime numbers to complete the equation:
_____ + _______ = 18
7 + 11 = 18
3 + 6^2 / 12
6
A desert tour includes 305 people traveling by van. Each van can transport 18 people. Estimate the number of vans needed.
300 / 20 = 15 vans
What two operations can not occur with the communitive and associative property?
Division and Subtraction
1/3 + 3/6 =
5/6
3 (X + 3)=
3X+ 9=
3X = -9
X = -3
2^2 (3 + 7 -1)
36
A bag of dry pet food costs the pest store $18.66. A case of canned dog food costs $11.43. The owner puts in an order for 27 bags of dry food and 34 cases of canned food. estimate the total amount of the order.
(20 x 30) + ( 10 x 30)=
600 + 300 = 900