Comparing and Ordering Decimals

This video lesson, part of a Grade 4 math series, focuses on comparing and ordering decimals. It begins with an introduction to the topic, followed by examples that illustrate how to compare decimals using place values. The lesson includes exercises on ordering decimals and provides strategies for making digits comparable by adding zeros. The video concludes with true/false questions and a summary of the key concepts covered.

What is the main focus of today's lesson?

• Addition and subtraction

• Comparing and ordering decimals

• Fractions and percentages

• Multiplication and division

In the example given, which race was longer?

• 0.4 mile race

• The length of the races was not mentioned

• Both races were the same length

• 0.2 mile race

How do you compare decimals using place values?

• By looking at the whole numbers only

• By comparing the tenths, hundredths, etc.

• By adding the numbers together

• By subtracting the smaller number from the larger

What should you do if the decimals have different numbers of digits?

• Add zeros to make the number of digits equal

• Ignore the extra digits

• Convert them to fractions

• Round the numbers to the nearest whole number

Which of the following is the correct order from least to greatest: 0.15, 0.38, 0.3?

• 0.38, 0.3, 0.15

• 0.3, 0.15, 0.38

• 0.15, 0.3, 0.38

• 0.15, 0.38, 0.3

What is the equivalent of 0.6 when matched with 0.60?

• 0.6 is less than 0.60

• 0.6 is greater than 0.60

• 0.6 is not comparable to 0.60

• 0.6 is equal to 0.60

How many hundredths are there in four tenths?

• One hundred

• Ten

• Four

• Forty

Which is greater: 0.57 or 0.7?

• Cannot be determined

• They are equal

• 0.7

• 0.57

What is the correct order from greatest to least: 0.4, 0.2, 0.04?

• 0.2, 0.04, 0.4

• 0.4, 0.2, 0.04

• 0.2, 0.4, 0.04

• 0.04, 0.2, 0.4

What is the equivalent of 0.90 when matched with 0.9?

• 0.90 is not comparable to 0.9

• 0.90 is equal to 0.9

• 0.90 is greater than 0.9

• 0.90 is less than 0.9