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# Common Core Math Practice to Mastery! 2nd Grade 2.NBT.7 Unit

1st - 3rd
Subjects
Standards
Resource Type
Formats Included
• PDF
Pages
37 pages

### Description

The Math Practice to Mastery! program utilizes the "Most Difficult First" method, where students who already have the skill mastered can become tutor leaders in your class and not have to do the repetitive practice that most learners need. This unique method gives students who need the repetition the opportunity for enough practice to master the skills. It's a Win-Win!

Did you know that one standard can have several skills involved? 2.NBT.7 (Fluently add and subtract within 1000 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.) has 13 skills that must be mastered!

2.NBT.7.C1(Concept 1) Addition: 3-digit + 1-digit
2.NBT.7.C2(Concept 2) Addition: 3-digit + 2-digit
2.NBT.7.C3(Concept 3) Addition: Balance 3-digit equations
2.NBT.7.C4(Concept 4) Addition: Input/Output 3-digit tables
2.NBT.7.C5(Concept 5) Addition: 3-digit + 3-digit
2.NBT.7.C6(Concept 6) Mixed Operations: Two 3-digit numbers
2.NBT.7.C7(Concept 7) Mixed Operations: Balance 3-digit equations
2.NBT.7.C8(Concept 8) Mixed Operations: Compare 3-digit equations
2.NBT.7.C9(Concept 9) Subtraction: 3-digit Input/Output tables
2.NBT.7.C10(Concept 10) Subtraction: 3-digit minus 1-digit
2.NBT.7.C11(Concept 11) Subtraction: 3-digit minus 2-digit
2.NBT.7.C12(Concept 12) Subtraction: Balance 3-digit equations
2.NBT.7.C13(Concept 13) Subtraction: 3-digit minus 3-digit

My program includes significant practice and strategies to enable all students to master the skills! I'm beginning with 2nd grade and will continue development of the rest of the standards and other grade levels soon.
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Total Pages
37 pages
Included
Teaching Duration
3 Weeks
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### Standards

to see state-specific standards (only available in the US).
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.