2.NR.2Addition & Subtraction within 1,000

Expectations

• 2.NR.2.1

  Fluently add and subtract within 20 using a variety of mental, part-whole strategies.

• 2.NR.2.2

  Find 10 more or 10 less than a given three-digit number and find 100 more or 100 less than a given three-digit number.

• 2.NR.2.3

  Solve problems involving the addition and subtraction of two-digit numbers using part-whole strategies.

• 2.NR.2.4

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

Georgia Milestones coverage

No Georgia Milestones blueprint cites this standard.

The same standard across grades

1. Kindergarten · K.NR.2

   Use count sequences within 100 to count forward and backward in sequence.

2. Grade 1 · 1.NR.2

   Explain the relationship between addition and subtraction and apply the properties of operations to solve real-life addition and subtraction problems within 20.

3. Grade 2 · 2.NR.2 (this standard)

   Apply multiple part-whole strategies, properties of operations and place value understanding to solve real-life, mathematical problems involving addition and subtraction within 1,000.

4. Grade 4 · 4.NR.2

   Using part-whole strategies, solve problems involving addition and subtraction through the hundred-thousands place, as well as multiplication and division of multi-digit whole numbers presented in real-life, mathematical situations.

5. Grade 5 · 5.NR.2

   Multiply and divide multi-digit whole numbers to solve relevant, mathematical problems.

6. Grade 6 · 6.NR.2

   Apply operations with whole numbers, fractions and decimals within relevant applications.

7. Grade 8 · 8.NR.2

   Solve problems involving radicals and integer exponents including relevant application situations; apply place value understanding with scientific notation and use scientific notation to explain real phenomena.