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Your search returned 3 results.
 

Standard: 2.OA.2

Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Elementary, 2nd Grade

Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.

Standard: 2.NBT.5

Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Elementary, 2nd Grade

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

Standard: 2.NBT.7

Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Elementary, 2nd Grade

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.

Your search returned 3 results.
 

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