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?
The average of a data set (sum of the divided by the number of data points).
What is the mean?
Counting numbers including zero.
What are whole numbers?
Complementary numbers add up to...
90 degrees
Simplify:
-2(x + 9)
-2x - 18
Name the property:
4 + 2x = 2x + 4
What is the Commutative Property?
The middle number in a set of data (after placing the numbers in order from least to greatest.)
What is the median?
Whole numbers and their opposites.
What are Integers?
The sum of three angles in any triangle.
What is 180 degrees?
Simplify:
-3(x - 4) + 9x
6x + 12
Name the property:
3 + (5 + 4x) = (3 + 5) + 4x
What is the Associative Property?
Most frequently occurring number in a set of data.
What is the mode?
A number that can be written as a ratio, a/b, where b is not zero.
What are rational numbers?
What is the difference between a circle's circumference and its area?
The circumference is the distance around a circle. The area is the space it fills.
Solve for x:
4x - 4 = 8
x = 3
The distance from zero on a number line.
What is the absolute value?
Find the mean of the following basketball scores:
25, 32, 33, 40, 25
What is 31.
Is the following number a rational number?
0. 123123123...
Yes! Repeating decimals are rational!
25% is _________ as a fraction, when simplified.
1/4
Solve for x:
-3x - 6 = 21
x = -9
Who invented Math?
The Sumerians
Find the outlier of the following test scores:
88, 89, 92, 95, 99, 39, 91, 95, 89, 89
What is 39?
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.
A fraction flipped upside-down.
reciprocal
Solve the inequality:
-3x - 8 > -11
x < 1
I bought a shirt on sale for $18. I used a 20% off coupon. What was the original price?
$22.5
Find the mode of the following:
6, 3, 4, 2, 5, 6, 4, 3, 4, 2, 6, 2, 4
Wha is 4?
Convert 4/5 to a decimal. Is this terminating or repeating?
0.8 Terminating
No