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• 638 → Six hundred thirty-eight

• 1204 → One thousand two hundred four

C. Decomposed Form

We break down the number to show the value of each digit.
Examples:

• 638 → 600 + 30 + 8

• 1204 → 1000 + 200 + 4

3. Practice Examples

Standard Form Word Form Decomposed Form

715 Seven hundred fifteen 700 + 10 + 5

1028 One thousand twenty-eight 1000 + 20 + 8

3409 Three thousand four hundred nine 3000 + 400 + 9

842 Eight hundred forty-two 800 + 40 + 2

Learning Outcomes

1. Read and write 3-digit and 4-digit numbers correctly.

2. Identify the place value of each digit in a number up to 9999.

3. Express numbers in composed, word, and decomposed forms.

4. Build confidence in recognizing and comparing larger numbers.