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Comparing 2Digit Numbers
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 How to compare 2digit numbers using place value
 How to use the greater than, less than, and equal to symbols to compare numbers.
 How this knowledge can help us win games, collect stickers, and even have a snowball fight!

Discussion Questions
 Before Video[Show a row of 8 pens with a row of 4 crayons under it. Spread out the 4 crayons so the row of crayons looks longer than the row of 8 pens.] How does the number of crayons compare to the number of pens?
ANSWERThere are more pens than crayons or there are fewer crayons than pens.
ANSWERThere are more blue counters than red counters or there are fewer red counters than blue counters.
ANSWERThere are more bird puppets than fish puppets or there are fewer fish puppets than bird puppets.
There are 2 tens and 7 ones. The number is 27.
3 tens blocks and 2 ones blocks
 After VideoUse <, =, or > to compare 37 and 42. Explain how you compared.ANSWER
37 has 3 tens. 42 has 4 tens. 42 has more tens. 42 > 37 or 37 < 42
25 has two tens. 29 has two tens. The digits in tens place are the same. So, we compare the ones place. 25 has 5 ones. 29 has 9 ones. 9 is greater than 5, so 29 > 25. Onawa read more books.
The number of red marbles, 53, has 5 tens and 3 ones. The number of blue marbles, 53, also has 5 tens and 3 ones. 53 = 53
ANSWERTyree is not correct. You have to look at which place each digit is in. 65 has 6 tens. 56 has 5 tens. 6 is greater than 5. 65 > 56
It is true that 23 is greater than 19. It is also true that 19 is less than 23. 19 < 23

Vocabulary
 Compare numbers DEFINE
Look at a number to see if it is greater than, equal to, or less than another number.
 2digit number DEFINE
A number that has two digits, one in the tens place and one in the ones place.
 Place value DEFINE
The value of a digit based on its position in a number.
 Greater than sign (>) DEFINE
Sign used to show one number is more/greater than another number.
 Less than sign (<) DEFINE
Sign used to show one number is less than another number.
 Equal sign (=) DEFINE
Sign used to show that one number has the same value as another number.
 Base 10 blocks DEFINE
Blocks used to help students understand place value.
 Tens place DEFINE
The place in a number where the digit that tells the number of tens goes.
 Ones place DEFINE
The place in a number where the digit that tells the number of ones goes.
 Greatest place DEFINE
The place in a number that has the highest value. In a 2digit number, the tens place is the greatest place.
 Compare numbers DEFINE

Reading Material
Download as PDF Download PDF View as Seperate PageWHAT IS COMPARING?You can compare numbers to see which number is greater. You look at the digits and the place each digit is in. You decide if one number is less than (<), equal to (=), or greater than (>) another number.
To better understand comparing 2digit numbers…
WHAT IS COMPARING?. You can compare numbers to see which number is greater. You look at the digits and the place each digit is in. You decide if one number is less than (<), equal to (=), or greater than (>) another number. To better understand comparing 2digit numbers…LET’S BREAK IT DOWN!
Compare the number of tickets.
Gavin has 32 tickets. Amiyah has 29 tickets. 32 has 3 tens. 29 has 2 tens. 32 has more tens than 29. 32 is greater than 29. 32 > 29.
Compare the number of tickets. Gavin has 32 tickets. Amiyah has 29 tickets. 32 has 3 tens. 29 has 2 tens. 32 has more tens than 29. 32 is greater than 29. 32 > 29.Compare the number of stickers.
Amiyah has 84 stickers. Gavin has 87 stickers. 84 and 87 have the same number of tens. 87 has more ones than 84. 87 is greater than 84. 87 > 84.
Compare the number of stickers. Amiyah has 84 stickers. Gavin has 87 stickers. 84 and 87 have the same number of tens. 87 has more ones than 84. 87 is greater than 84. 87 > 84.How to know when two numbers are equal.
Amiyah has 34 tickets and Gavin has 34 tickets. There are 3 tens in each number of tickets. There are 4 ones in each number. 34 is equal to 34. 34 = 34.
How to know when two numbers are equal. Amiyah has 34 tickets and Gavin has 34 tickets. There are 3 tens in each number of tickets. There are 4 ones in each number. 34 is equal to 34. 34 = 34.45 and 54 are not equal.
45 and 54 have the same digits. But the digits are not in the same place. 54 has 5 tens. 45 has 4 tens. 45 has fewer tens than 54. 45 is less than 54. 45 < 54.
45 and 54 are not equal. 45 and 54 have the same digits. But the digits are not in the same place. 54 has 5 tens. 45 has 4 tens. 45 has fewer tens than 54. 45 is less than 54. 45 < 54.There are two ways to compare numbers.
There are two ways to show how 32 and 31 compare. 31 is less than 32: 31 < 32. 32 is greater than 31: 32 > 31.
There are two ways to compare numbers. There are two ways to show how 32 and 31 compare. 31 is less than 32: 31 < 32. 32 is greater than 31: 32 > 31. 
Practice Word Problems

Practice Number Problems

Teacher Resources
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