Expanded form helps us understand the value of each digit in a number. For example, the number 23 can be written as 20 + 3. When adding two-digit numbers, we can break them down into their expanded forms, add the tens and ones separately, and then combine the results. This makes addition easier to visualize and understand!
Match the term to its definition:
| Term | Definition |
|---|---|
| 1. Expanded Form | a. The digit in the ones place |
| 2. Tens Place | b. Breaking a number into its place values (e.g., 34 = 30 + 4) |
| 3. Ones Place | c. The digit in the tens place |
| 4. Sum | d. The total when you add numbers together |
| 5. Digit | e. Any of the numerals from 0 to 9 |
When we use _______ form, we are breaking down a number into its _______ values. For example, the number 45 can be written as 40 + 5. The 4 is in the _______ place, and the 5 is in the _______ place. To find the _______, we add the numbers together.
Explain how using expanded form can help you better understand addition.
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