Comparing Two-Digit Numbers with Alligators

The video tutorial introduces the concept of comparing numbers using symbols like greater than, less than, and equal to. It uses the analogy of an alligator's mouth to explain how these symbols work, emphasizing that the mouth faces the larger number. The tutorial also demonstrates how to use place value charts to compare numbers, focusing on tens and ones. Practical examples are provided to reinforce the concepts, and the lesson concludes with a summary of the key points covered.

What is the purpose of comparing numbers?

• To find out which number is bigger or smaller

• To add two numbers together

• To subtract one number from another

• To multiply two numbers

Tags

CCSS.1.NBT.B.3

Which symbol represents 'greater than'?

• ≠

• >

• <

• =

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CCSS.3.NF.A.3D

In the alligator analogy, which number does the alligator always eat?

• The smaller number

• The bigger number

• The number on the right

• The number on the left

Tags

CCSS.1.NBT.B.3

If an alligator has to choose between 18 fish and 12 fish, which number will it face?

• 12

• 18

• Both

• Neither

Tags

CCSS.1.NBT.B.3

How do you read the comparison: 10 < 17?

• 10 is not equal to 17

• 10 is equal to 17

• 10 is greater than 17

• 10 is less than 17

Tags

CCSS.1.NBT.B.3

Which symbol should be used to compare 20 oranges and 16 bananas?

• ≠

• <

• >

• =

Tags

CCSS.1.NBT.B.3

When comparing 34 and 26 using a place value chart, which place value do you compare first?

• Ones

• Tens

• Hundreds

• Thousands

Tags

CCSS.1.NBT.B.3

If two numbers have the same tens, what should you compare next?

• Millions

• Ones

• Thousands

• Hundreds

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CCSS.4.NBT.A.2

Which number is greater: 75 or 78?

• Both are equal

• 78

• 75

• Cannot be determined

Tags

CCSS.1.NBT.B.3

What symbol should be used to compare 90 plastic balls and 90 rubber balls?

• =

• >

• <

• ≠

Tags

CCSS.1.NBT.B.3