2.NBT.A.4

Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

 
25 Lesson(s)
   

Less Than or Greater Than

2nd Grade Math » Unit: Each Number Has a Place
2nd Grade Math » Unit: Each Number Has a Place
Kristen O'Connor
Pepperell, MA
Environment: Rural
 
Big Idea:

The big idea of this lesson is that students can use their knowledge of place value to compare numbers and order them based upon their value.

Standards:
 
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Resources (20)
 
Reflections (1)
alligator
   

Comparing Numbers Written in Expanded Form

2nd Grade Math » Unit: Comparing Numbers
2nd Grade Math » Unit: Comparing Numbers
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students take their understanding of place value to the next level when they compare numbers written in expanded form.

 
Favorites (13)
 
Resources (14)
 
Reflections (1)
ra991 f
   

Finding the Right Place!

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

Students use numbers, base-ten models, and real-word pictures to examine ways to place numbers in their correct place.

 
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Resources (17)
 
Reflections (1)
right place
   

Comparing Three Digit Numbers

2nd Grade Math » Unit: Comparing Numbers
2nd Grade Math » Unit: Comparing Numbers
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students use their knowledge of place value to compare three digit numbers.

Standards:
 
Favorites (11)
 
Resources (14)
 
Reflections (1)
img 0021
   

Identifying Tens and Ones

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

Students will be given set amount of money to add, and identify how many tens and ones.

 
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Resources (13)
 
Reflections (1)
tens chart pic
   

Excellent Mathematical Explanations

2nd Grade Math » Unit: Comparing Numbers
2nd Grade Math » Unit: Comparing Numbers
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students use place value vocabulary to write excellent mathematical explanations about why a comparison statement is true or false.

 
Favorites (14)
 
Resources (18)
 
Reflections (1)
img 0183
   

Mentally Speaking!

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

Using base ten blocks and place value, students explore how to become more fluent in adding and subtracting two-digit numbers without regrouping.

 
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Resources (13)
 
Reflections (1)
mental image
   

Is the Statement True or False?

2nd Grade Math » Unit: Comparing Numbers
2nd Grade Math » Unit: Comparing Numbers
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students use their knowledge of place value to determine whether a comparison statement is true or false.

 
Favorites (4)
 
Resources (14)
 
Reflections (1)
screen shot 2014 06 08 at 8 17 33 pm
   

Applying The Basics!

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

Using base-ten materials and place-value skills, students gain a better understanding of how to add and subtract numbers.

 
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Resources (17)
 
Reflections (1)
basics
   

Abracadabra

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

Students will be able to explain using concrete objects, pictures and words (oral or written) why addition or subtraction strategies work.

 
Favorites (25)
 
Resources (22)
 
Reflections (3)
majic
   

Tallying it Up

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

In this collaborative lesson students will use "Head, or Tails" to learn how to tally count by fives and add on left over numbers.

 
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Resources (16)
 
Reflections (1)
images 4
   

How Big Is One Thousand

2nd Grade Math » Unit: More Complex Numbers and Operations
2nd Grade Math » Unit: More Complex Numbers and Operations
Beth McKenna
York, ME
Environment: Suburban
 
Big Idea:

Students can get a picture of how big 1,000 is as they build and compare 3-digit numbers.

 
Favorites (1)
 
Resources (11)
 
Reflections (1)
100 1237
   

Keep On Doing!

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

In this lesson, students will explore how the use of base tens, and place value can be used to help them explain and solve addition word problems.

 
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Resources (14)
 
Reflections (1)
learning
   

Balancing Equations and Counting Backwards

2nd Grade Math » Unit: Adding and Subtracting the Basics
2nd Grade Math » Unit: Adding and Subtracting the Basics
Beth McKenna
York, ME
Environment: Suburban
 
Big Idea:

The Common Core standards for second grade include being able to add and subtract with in 100. Students need practice with finding the solution even if it is not the answer that is missing.

 
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Resources (10)
 
Reflections (1)
screen shot 2013 10 27 at 2 42 38 pm
   

What's in Your Zoo?

2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
2nd Grade Math » Unit: Numbers & Operation in Base Ten Grade 2
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

In this lesson, students will create pictures using base ten blocks as models for numbers between 200 and 1000.

 
Favorites (31)
 
Resources (21)
 
Reflections (1)
tiger
Common Core Math
 
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