Classifying Rational Numbers
Which category allows any number from negative infinity to positive infinity, including fractions and decimals?
Rational Numbers
3/5 x 2/9
6/45 or 2/15
Write an inequality statement comparing 1/2 and 2/3?
1/2 < 2/3 or 2/3 > 1/2
List the following rational numbers from greatest to least:
-1 -1/10 -.4 1/2 -2/3
1/2 -1/10 -.4 -2/3 -1
These numbers are to the right of 0.
Positive numbers
Which category allows any number from negative infinity to positive infinity, but doesn't fractions and decimals?
Integers
1 3/4 x 5/6
35/24 or 1 11/24
Write an inequality statement comparing 5/6 and 8/10?
5/6 > 8/10 or 8/10 < 5/6
List the following rational numbers from least to greatest:
4/5 -.7 0 .35 -7/8
-7/8 -.7 0 .35 4/5
These numbers are to the left of 0.
Negative numbers.
Which category allows any number from 0 to positive infinity, but doesn't include fractions and decimals?
Whole numbers
2 1/2 x 3
15/2 or 7 1/2
Write an inequality statement comparing -.4 and -.7.
-.4 > -.7 or -.7 < -.4
Order the following rational numbers from greatest to least.
0.5 -5 1/9 -7.1 0.9
0.9 0.5 -5 1/9 -7.1
What does "ascending" mean?
To go up.
What number category does -4.0 belong in?
Integers. We can ignore the .0 !
7 x 3/24
21/24 or 7/8
Write an inequality statement comparing .5 and .8.
.5 < .8 or .8 > .5
Order these values from least to greatest
-2.4 -3 3/9 9.5 0.2
-3 3/9 -2.4 0.2 9.5
What does "descending" mean?
To go down.
What number category does 15/5 belong in?
Whole numbers. 15/5 simplifies down to 3, which is a whole number!
3 1/4 x 1 1/3
52/3 or 4 1/3
Write an inequality statement comparing .52 and 3/4.
.52 < 3/4 or 3/4 > .52
Order the following rational numbers from greatest to least.
0.3 3.3 -3.3 -3
3.3 0.3 -3 -3.3
The distance a number is from zero on a number line.
Absolute Value.