Georgia 3.NR.1.1

Math3rd GradeNumerical Reasoning

The Standard

Read and write multi-digit whole numbers up to 10,000 to the thousands using base-ten numerals and expanded form.

Georgia's K-12 Mathematics Standards · Use place value reasoning to represent, read, write, and compare numerical values up to 10,000 and round whole numbers up to 1,000.

Teacher's field guide

What This Standard Means

What Students Need to Do

Students use each digit’s position to determine its value. They move between a spoken number, a written numeral, and a sum of place values for numbers as large as 10,000.

What Mastery Looks Like

A student can hear “nine thousand forty-two,” write 9,042, and expand it as 9,000 + 40 + 2. The student keeps zero placeholders and explains the value of each digit.

Common Misconceptions

Students may drop zero placeholders, writing 6,042 as 642. They may write 6 + 4 + 2 instead of 6,000 + 40 + 2, or assign a digit to the wrong place.

How to Assess It

Exit ticket: Write 6,042 as a sum of place values, then write 8,000 + 300 + 5 as one numeral.

Lesson moves

Ways to Teach It

  1. Give pairs place-value mats and digit cards; have them build a called number, record the numeral, then write its expanded form.

  2. Ask, “How are 4,070 and 4,700 different?” Students explain each zero’s job in two written sentences.

  3. Play Number Translator: teams match spoken numbers, numeral cards, and expanded-form cards, earning a point for each correct set.

  4. Use enrollment totals from four nearby schools; students read each total and rewrite it as a sum of place values.

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Printable 3.NR.1.1 Worksheet

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