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4th grade · Math · Unit 1 of 15

Numbers to 10,000

Place value, compare and round

What your child practices

Reading, writing and comparing numbers up to 10,000: place value, expanded form, number lines, ordering and rounding.

California Content Standards learning standard: 4.NBT.1; 4.NBT.2; 4.NBT.3 · reading, comparing and rounding multi-digit whole numbers with place value

How we explain it

Children can open this short lesson before they practice.

  1. To round, look at the digit just to the right of your place.
  2. If it is 5 or more, round up. If it is 4 or less, stay.
  3. Change every digit after your place to 0.

Example: Round 4,763 to the nearest hundred. The hundreds digit is 7. Look at the tens digit: 6. 6 is 5 or more, so round up to 8 hundreds. 4,800. Answer: 4,800

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    In 5810, what is the value of the digit 1?

    5810

    • 100
    • 1000
    • 10
    • 1

  2. Question 2

    What number is this?

    8000 + 400 + 80 + 6

    answer box

  3. Question 3

    Round 6121 to the nearest hundred.

    • 6300
    • 6200
    • 6100
    • 6000

  4. Question 4

    Write this number with digits: eight thousand ten.

    answer box

  5. Question 5

    Put the numbers in order from least to greatest.

    • 1904
    • 1959
    • 1524
    • 1931

  6. Question 6

    Which sign goes in the box?

    3326 3001

    • <
    • =
    • >

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