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Common Core: Math
CCLS - Math: 2.NBT.7
- Number And Operations In Base Ten
- Use Place Value Understanding And Properties Of Operations To Add And Subtract.
- State Standard:
- 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.
- Grade 2 Module 4: Addition and Subtraction Within 200 with Word Problems to 100 In Module 4, students develop place value strategies to fluently add and subtract within 100; they represent and solve...
- Grade 2 Module 5: Addition and Subtraction Within 1,000 with Word Problems to 100 In Module 4, students developed addition and subtraction fluency within 100 and began developing conceptual...