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    Subtraction using the standard algorithm.  

    Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

     
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    Subtraction using the standard algorithm.  

    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.

     
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    Add up to four two-digit numbers using strategies based on place value and properties of operations.

     
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    Subtraction using the standard algorithm.  

    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.

     
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    Add up to four two-digit numbers using strategies based on place value and properties of operations.

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

     
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    Subtraction using the standard algorithm.  

    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.

     
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    5.NBT.5

    Fluently multiply multi-digit whole numbers using the standard algorithm.

     
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    Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Multiply 2 digit numbers.

    Fluently multiply multi-digit whole numbers using the standard algorithm.

     
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    Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.