Testinar Grade 4 math

Reading and Writing Multi-Digit Whole Numbers

Students will read, write, and represent multi-digit whole numbers in standard, word, and expanded form.

CH02-02 Number and Operations in Base Ten
Name
Date
Score
____ / 8
Directions Solve each problem. Show your reasoning on the page or on separate paper. Check the answer key only after finishing.

  1. Which numeral represents "four hundred twenty-three thousand, fifty-one"?

    1. \(423{,}501\)
    2. \(423{,}510\)
    3. \(42{,}351\)
    4. \(423{,}051\)

  2. Which numeral represents "five thousand, two hundred thirty-four"?

    1. \(52{,}340\)
    2. \(5{,}324\)
    3. \(523{,}400\)
    4. \(5{,}234\)

  3. What number is equal to \(30{,}000+6{,}000+500+20+8\)?

    1. \(36{,}285\)
    2. \(36{,}582\)
    3. \(36{,}258\)
    4. \(36{,}528\)

  4. In the number \(7{,}846\), what digit is in the tens place?

    1. \(7\)
    2. \(8\)
    3. \(4\)
    4. \(6\)

  5. Write the number \(12{,}405\) in word form.

    1. Twelve thousand, four hundred fifty
    2. Twelve thousand, forty-five
    3. One hundred twenty thousand, four hundred five
    4. Twelve thousand, four hundred five

  6. Which number is less than \(54{,}200\)?

    1. \(54{,}300\)
    2. \(54{,}200\)
    3. \(55{,}200\)
    4. \(54{,}100\)

  7. In the number \(352{,}679\), what is the value of the digit in the ten-thousands place?

    1. \(5\)
    2. \(5{,}000\)
    3. \(50{,}000\)
    4. \(500{,}000\)

  8. What is the value of the thousands digit in \(67{,}290\)?

    1. \(7\)
    2. \(70\)
    3. \(700\)
    4. \(7{,}000\)
Teacher and parent reference

Answer key and explanations

  1. D. \(423{,}051\)

    Thousands: \(423\), ones: \(51\). Combined: \(423{,}000 + 51 = 423{,}051\) \checkmark

  2. D. \(5{,}234\)

    Thousands: \(5\), ones: \(234\). Combined: \(5{,}000 + 234 = 5{,}234\) \checkmark

  3. D. \(36{,}528\)

    Step 1: \(30{,}000 + 6{,}000 = 36{,}000\). Step 2: \(36{,}000 + 500 + 20 + 8 = 36{,}528\) \checkmark

  4. C. \(4\)

    From right to left: ones, then tens. In \(7{,}846\), the tens digit is \(4\) \checkmark

  5. D. Twelve thousand, four hundred five

    Breaking it: \(12\) thousands ("twelve thousand") and \(405\) ones ("four hundred five") \checkmark

  6. D. \(54{,}100\)

    The thousands digits match, so compare the hundreds place: \(100 < 200\), therefore \(54{,}100 < 54{,}200\) \checkmark

  7. C. \(50{,}000\)

    The ten-thousands place contains the digit \(5\). Its value: \(5 \times 10{,}000 = 50{,}000\) \checkmark

  8. D. \(7{,}000\)

    The thousands digit is \(7\). Value: \(7 \times 1{,}000 = 7{,}000\) \checkmark

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