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Praxis 2 5018 - Elementary Math Content
Terms in this set (44)
Numbers 1 and up (1, 2, 3, 4)
Numbers 0 and up (0, 1, 2, 3, 4)
0 and all whole numbers positive and negative (-4, -3, -2, -1, 0, 1, 2, 3, 4)
Decimals that can not be written as a fraction. Decimal that repeat or doesn't end (Pi=3.1415......)
Commutative Property of Multiplication
Can multiply in any order ie: 5x4=20 vs 4x5=20
Associative Property of Multiplication
Multiplication in different groups ie: (3x4)x2=24 vs 3x(4x2)=24
Distributive Property of Multiplication
Facts that can be broken into sum of 2 different facts ie: 7x4=(5x4)+(2x4)
Identity Property of Multiplication
Multiplying any factor times 1 (8x1=8)
Zero Property of Multiplication
Multiplying any factor times 0 (8x0=0)
The difference in the largest number and the smallest number in a set
The middle number in a set. If the set has an even number of numbers, then the it is the average of the two middle numbers in the set.
Average the middle 2 numbers of the set
If the set has an even number of numbers, then how do you find the Median?
The number that occurs most frequently in a set of numbers.
The average of a set of numbers. (All of the numbers added together and divided by the total amount of numbers in the set.)
Powers of 10
10^-2 = .01
10^-1 = .1
10^0 = 1
10^1 = 10
10^2 = 100
c=sq root of a^2+b^2 (for a polygon)
(4,-3) Would be in what Quadrant
2, 4, -8
2x^3+4y^2-8 What are the coefficients?
2x^3+4y^2-8 What are the variables?
3, 2, 0
2x^3+4y^2-8 What are the degrees?
5y=8y Solve if y=5
Are these shapes convex or concave?
Is this shape convex or concave?
Changes based on independent variable
The changing variable
Which of the following number is the least
In the formula d=r*t, if d equals 20 and t remains constant what is equivalent to r?
8x5=(5x5)+(3x5) is what property of multiplication
8x1 is what property of multiplication
8x0 is what property of multiplication
5x4=20 4x5=20 is what property of multiplication
(3x4)x2=24 3x(4x2)=24 is what property of multiplication
y=mx+b is a formula for?
What do you find when adding the outside edges of a shape?
What do you find when multiplying length x Width?
Additive Identity Property
When you add 0 to any number, the number keeps it's identity. (8+0=8, 0+8=8)
Additive Inverse Property
Adding a number to another number to equal 0 (-5+5=0)
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