Integers and Absolute Value
|-7|
7
3/4 + 5/8 =
11/8 or 1 3/8
3.6 + 7.48 =
11.08
This term describes a number that can be written as a fraction where the denominator is not zero.
Rational Number
Sarah bought 3 notebooks for $2.50 each. How much did she spend in total?
$7.50
−5+12
7
7/10 - 2/5 =
3/10
12.5 - 4.38 =
8.12
Two expressions or numbers that represent the same value are called this.
Equivalent
Which of the following pairs of fractions are equivalent: 2/3 and 4/6, 3/5 and 6/10, 5/8 and 3/8?
2/3 and 4/6, 3/5 and 6/10
-8 - 3
-11
2/3 x 9/4 =
3/2 or 1 1/2
6.2 x 1.5 =
9.3
A fraction in which the numerator, the denominator, or both are themselves fractions.
Complex Fraction
Simplify the complex fraction: (3/4) ÷ (2/5).
15/8 or 1 7/8
|4-9|
5
5/6 ÷ 2/3 =
5/4 or 1 1/4
9.6 ÷ 0.8 =
12
The number that, when multiplied by a given number, results in 1.
Multiplicative Inverse
Find the multiplicative inverse of 7/8.
8/7
-6 x 3
-18
1 2/5 + 2 3/10 =
37/10 or 3 7/10
0.75 + 2.4 - 1.15 =
2.0
The distance a number is from zero on the number line.
Absolute Value
The temperature dropped from 5°F to -12°F overnight. How many degrees did the temperature change?
17°F