7th grade
Algebra
Algebra
Simplify:
a + 3b - 9 + a - 3b + 5
2a - 4
Name the property:
a(b + c) = ab + ac
What is the Distributive Property?
Counting numbers including zero.
What are whole numbers?
how do you write 94% as a decimal?
0.94
10% of 1000 is this.
100
Simplify:
-2(x + 9)
-2x - 18
Name the property:
4 + 2x = 2x + 4
What is the Commutative Property?
Whole numbers and their opposites.
What are Integers?
The sum of three angles in any triangle.
What is 180 degrees?
72 + 82 + 92
194
Simplify:
-3(x - 4) + 9x
6x + 12
Name the property:
3 + (5 + 4x) = (3 + 5) + 4x
What is the Associative Property?
A number that can be written as a ratio, a/b, where b is not zero.
What are rational numbers?
simplify the equation:
5(2+9b)
10+45b
Place in order from least to greatest:
5, -8, 2, -10, 1, -1
-10, -8, -1, 1, 2, 5
Solve for x:
4x - 4 = 8
x = 3
The distance from zero on a number line.
What is the absolute value?
Is the following number a rational number?
0. 123123123...
Yes! Repeating decimals are rational!
25% is _________ as a fraction, when simplified.
1/4
-2.45 - (-5.783) = ?
3.333
Solve for x:
-3x - 6 = 21
x = -9
1/2 or 50%
Is the following number a rational number:
0. 145437865...
0. 145437865... is NOT rational. This number goes on forever but does not have a repeating pattern.
What does 20 x 100 + 30 x 10 + 80/2 + 5 equal?
2345
3 1/2 divided by 3/4
12 2/3
Solve for x:
-3x - 8 = -11
x = 1
What is 25% of $250?
$62.50
Convert 4/5 to a decimal. Is this terminating or repeating?
0.8 Terminating
Calculate [10 x 202 + 2(3 x 50) + (-105/-5)]
4321
Enter the value of x that makes the equation true.
4x -5 + 2x - 6 = - 53
x = -7