Comparing Rational Numbers

Presentation

•

Mathematics

•

9th Grade

•

Hard

Joseph Anderson

FREE Resource

5 Slides • 12 Questions

Comparing Rational Numbers

Hungry Hungry Pac-Man!

Mouth of Pac-Man always faces greater amount
Remember if comparing two negative numbers, the lower looking number is actually the greater amount!
Positive numbers are always greater than negative numbers

Comparing fractions with the same bottom number

These fractions do not need to be changed
Just compare the top numbers and decide which one is greater!

Multiple Choice

Which is the greater fraction 3/4 or 2/4?

3/4

2/4

Multiple Choice

Which fraction is less 23/100 or 34/100?

34/100

23/100

Multiple Choice

Which fraction is greater -5/8 or 12/8?

-5/8

12/8

Multiple Choice

Which fraction is less -7/10 or -4/10?

-7/10

-4/10

Comparing fractions with different bottom numbers

Find common denominator (bottom number) - Easiest way to do this is to multiply the two bottom numbers together. This will be your new bottom number!
Multiply the top numbers by the same number that you multiplied your bottom number by.
Compare!

Multiple Choice

Which is the greater fraction -2/3 or 3/4?

-2/3

3/4

Multiple Choice

Which is less, 2/4 or 2/6?

2/4

2/6

Multiple Choice

Which is greater, -1/3 or -4/5?

-4/5

-1/3

Multiple Choice

Which is less, 5/9 or 2/6?

2/6

5/9

Comparing decimals and fractions

Change decimal to fraction and then compare
OR change fraction to decimal and then compare (I personally think this is easier)

Multiple Choice

Which is greater, 6/3 or 2.9?

6/3

2.9

Multiple Choice

Which is less, -3.4 or 1/2?

1/2

-3.4

Multiple Choice

Which is greater, -4/7 or -0.2?

-0.2

-4/7

Multiple Choice

Which is less, 2.53 or 5/2?

2.53

5/2

Comparing Rational Numbers

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