2nd Grade Math Common Core Number and Operations in Base Ten
The resources listed below can be utilized to educate, study, and comprehend the mathematical ideas described in the Second Grade Common Core Math Standards.
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- Understand place value.
- Use place value understanding and properties of operations to add and subtract.
Grade 2 NBT Standards can also be found the in following areas:
We have created a few free worksheets to help teach the Grade 2 NBT Standards.
CCSS.MATH.CONTENT.2.NBT.A.1 Understand place value.
Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Standards: 2.NBT.A.1
CCSS.MATH.CONTENT.2.NBT.A.2 Understand place value.
Add and subtract within 20.
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Standards: 2.NBT.A.2
CCSS.MATH.CONTENT.2.NBT.A.3 Understand place value.
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
Standards: 2.NBT.A.3
CCSS.MATH.CONTENT.2.NBT.A.4 Understand place value.
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
Standards: 2.NBT.A.4
CCSS.MATH.CONTENT.2.NBT.B.5 Use place value understanding and properties of operations to add and subtract.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Standards: 2.NBT.B.5
CCSS.MATH.CONTENT.2.NBT.B.6 Use place value understanding and properties of operations to add and subtract.
Add up to four two-digit numbers using strategies based on place value and properties of operations.
Standards: 2.NBT.B.6
CCSS.MATH.CONTENT.2.NBT.B.7 Use place value understanding and properties of operations to add and subtract.
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
Standards: 2.NBT.B.7
Related Worksheets:
It’s best to use our create your own worksheet tools for this standard.
CCSS.MATH.CONTENT.2.NBT.B.8 Use place value understanding and properties of operations to add and subtract.
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
Standards: 2.NBT.B.8
CCSS.MATH.CONTENT.2.NBT.B.9 Use place value understanding and properties of operations to add and subtract.
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
Standards: 2.NBT.B.9
