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Mathematics · Grade 4

Place Value to Large Numbers

Learners extend place value to one million. They see that a digit is worth ten times as much as the same digit one place to its right, read and write large numbers in standard, word and expanded form, compare them digit by digit with >, = and <, and round them to any place using number lines and place-value reasoning.

  • 4 lessons
  • About 80 minutes
  • Large numbers check: 8 questions
  • Ways to answer: fill in the blanks, choose an answer, match pairs, type a number, place on a number line and put in order
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What learners will discover

  • Explain that a digit in one place is worth ten times what the same digit is worth in the place to its right.
  • Read and write whole numbers up to 1,000,000 in standard form, word form and expanded form.
  • Compare two multi-digit whole numbers using >, = and < by reasoning about the value of their digits.
  • Round multi-digit whole numbers to any place.

Lessons

  1. Ten times the place to the right 6 steps3 practiceabout 18 min
  2. Reading and writing large numbers 6 steps4 practiceabout 20 min
  3. Comparing large numbers 6 steps4 practiceabout 20 min
  4. Rounding to any place 7 steps4 practiceabout 22 min
  5. Large numbers check 8 questions at the end

Keep exploring

Games to practice with

  • Number-Line HopHelp the frog hop to the right number — from counting to negative fractions.
  • Paint by AnswersSolve each space, dip your brush and watch a picture come to life.
  • Array OrchardPlant trees in rows, pack fruit into crates and split big fields to multiply.

More 4th grade math

Guide for grown-ups