Comparing Two-Digit Numbers: Greater Than, Less Than, Equal To

This video tutorial teaches how to compare two-digit numbers using comparison symbols like greater than, less than, and equal to. The lesson uses the metaphor of an alligator's mouth to represent these symbols, emphasizing that the mouth opens towards the larger number. Through examples, such as comparing 32 and 14, and 21 and 26, the tutorial explains the process of comparing tens and ones. It also covers equality with an example of the number 58. The video includes interactive practice questions to reinforce learning.

What symbol do we use to show one number is greater than another?

• A minus sign (-)

• An alligator mouth opening towards the larger number

• An equal sign (=)

• A plus sign (+)

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

What does it mean if the alligator's mouth is open towards a number?

• That number is larger

• That number is smaller

• The alligator is hungry

• The numbers are equal

Tags

CCSS.1.NBT.B.3

If the tens place is different, how do we decide which number is larger?

• By comparing the ones place

• By comparing the tens place

• By adding them together

• By asking a friend

Tags

CCSS.1.NBT.B.3

What do we do if the tens place of two numbers is the same?

• We compare the ones place

• We compare the hundreds place

• We say they are equal

• We guess which is larger

Tags

CCSS.2.NBT.A.4

If two numbers have the same tens but different ones, which part do we compare to find the larger number?

• The ones place

• The decimal place

• The tens place

• The hundreds place

Tags

CCSS.5.NBT.A.3B

How do we represent two numbers being equal?

• With a smaller than symbol

• With a question mark

• With a larger than symbol

• With an equal sign

Tags

CCSS.1.NBT.B.3

When two numbers are equal, what does the alligator do?

• Its mouth looks like an equal sign

• Closes its mouth

• Looks confused

• Opens its mouth wide

Tags

CCSS.1.NBT.B.3

Which number is larger, 51 or 15?

• 15

• 51

• They are equal

• Cannot be determined

Tags

CCSS.1.NBT.B.3

How do we show 58 is greater than 38?

• 58 and 38 are equal

• 58 < 38

• 58 = 38

• 58 > 38

Tags

CCSS.1.NBT.B.3

Which number is the smallest: 32, 23, 45, or 54?

• 54

• 45

• 23

• 32

Tags

CCSS.1.NBT.B.3