Fractions & Decimals
This decimal is equivalent to the fraction 3/4.
0.75
The value of -8 plus 12.
4
This percent represents the fraction 1/5.
20%
The value of x in the equation x + 7 = 15.
8
This measure of central tendency is found by adding all values in a set and dividing by the total number of values.
Mean
The result when you multiply 0.6 by 0.3.
1.8
In BEDMAS, this letter stands for the grouping operation you must always perform first.
Brackets
If a map scale is 1 cm to 5 km, this is the actual distance represented by 4 cm.
20km
This algebraic expression represents '5 less than double a number n'.
2n-5
This is the mode of the following set of numbers: 3, 5, 5, 7, 8, 9, 9, 9.
9
This is the sum of 1/2 and 1/3, written as a single fraction in simplest form.
5/6
The result of -5 multiplied by -6.
30
This is 15% of $80.
$12
The value of y that makes the equation 3y - 4 = 14 true.
y=6
The probability of rolling an odd number on a standard six-sided die, expressed as a fraction in simplest form.
1/2
To divide by this fraction is the same as multiplying by 4
1/4
The value of the expression: (-4) x 3 - (-8).
-4
This is the unit rate of speed if a car travels 240 kilometers in 3 hours.
80km/h
For the pattern 4, 7, 10, 13..., this algebraic expression represents the value of the nth term.
3n+1
The median of this data set: 12, 5, 9, 15, 7.
9
This mixed number is the simplified result of subtracting 1 and 2/3 from 4 and 1/6.
2 1/2
The value of the expression: 12 minus 3 times 2 plus 5, solved using the correct order of operations.
11
If the ratio of red marbles to blue marbles is 3:5 and there are 40 marbles in total, this is the total number of red marbles.
15
The value of w in the equation: 5w/2 + 3 = 13.
w=4
If a bag contains 3 red, 4 blue, and 5 green marbles, this is the probability of NOT choosing a blue marble, written as a simplified fraction.
2/3