Comparing Numbers

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Comparing Numbers

• Greater than
• Less than
• Equal to

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Symbols

• lt Less than
• gt Greater than
• equal to

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• Look at and read your numbers.
• Look to see which number has more tens.
• The one with more tens is the greater number!

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What if the tens are the same?

• If the tens are equal
• Look at the ones to see which number has the
  greater ones.
• The number with the greater ones is greater.

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What if the tens and the ones are equal?

• If the tens are equal
• And the ones are equal
• Then the two numbers are the same or equal!!

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Lets Practice!

• 37___62
• Read your numbers.
• Look to see which number has greater tens.
• 3 tens for 37
• 6 tens for 62
• 6 tens is greater than 3 tens.
• So 62 is greater than (gt) 37.

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How about this one?

•  
• 45___73
• Read your numbers.
• Look to see which number has greater tens.
• 4 tens for 45
• 7 tens for 73
• 7 tens is greater than 4 tens.
• So 45 is less than (lt) 73.

8
Try this one!

• 82___87
• Read your numbers.
• Look to see which number has greater tens.
• 8 tens for 82
• 8 tens for 87
• 8 tens is equal to 8 tens.

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• 82___87
• Since 8 tens is equal to () 8 tens then
• You need to see which number has the greater ones!

10

• 82___87
• 82 has 2 ones.
• 87 has seven ones.
• 2 ones is less then 7 ones!
• So 82 is less than (lt) 87!

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Last one!

• 57___57
• Read both numbers.
• Look to see which has the greater amount of tens.
• 5 tens in 57.
• 5 tens in 57.
• 5 tens and 5 tens are equal.

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• 57___57
• Look to see which number has the greater amount
  of ones.
• 7 ones in 57.
• 7 ones in 57.
• The ones are equal () too!

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• 57___57
• So57 is equal to () 57!

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Now we will play a game!

• You will need
• Alligator card lt, gt
• 3 index cards
• 2 number cubes
• 100 connecting cubes
• partner

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Review of lt, gt,

• What is the meaning of this symbol? lt
• What is the meaning of this symbol? gt
• What is the meaning of this symbol?