Comparing and Ordering Rational Numbers

The video tutorial from MooMooMath explains the concepts of rational and irrational numbers, including their definitions and examples. It introduces symbols used for comparing numbers and outlines steps for comparing and ordering rational numbers using a number line. The tutorial provides practical examples, such as comparing temperatures and ordering numbers, to illustrate these concepts. It also demonstrates how to compare fractions and decimals using number lines.

Which of the following is a rational number?

• √2

• π

• 0.75

• e

What type of decimal is associated with irrational numbers?

• None of the above

• Terminating

• Repeating

• Non-terminating and non-repeating

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Which symbol represents 'greater than'?

• <

• ≠

• =

• >

Tags

CCSS.3.NF.A.3D

What is the first step in comparing rational numbers?

• Plot the numbers on a number line

• Use a calculator

• Convert them to decimals

• Compare their absolute values

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

If -3 is plotted on a number line, where would it be in relation to -1?

• Cannot be determined

• At the same position

• To the left

• To the right

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Which temperature is warmer: -9 5/8°F or -2.8°F?

• -9 5/8°F

• -2.8°F

• Both are the same

• Cannot be determined

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Order the following from least to greatest: -1 3/4, 2.6, -4.3.

• -1 3/4, -4.3, 2.6

• -4.3, -1 3/4, 2.6

• -4.3, 2.6, -1 3/4

• 2.6, -1 3/4, -4.3

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Which is smaller: -5 3/4 or -5.3?

• -5.3

• Cannot be determined

• -5 3/4

• Both are equal

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

How many sections should a number line be divided into to plot -2 5/6?

• 4

• 10

• 6

• 5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Which is correct: -2 5/6 < -2.7 or -2.7 < -2 5/6?

• Cannot be determined

• -2.7 < -2 5/6

• -2 5/6 < -2.7

• Both are equal

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B