Unit 1Test: Place Value, Comparing, ordering, and Rounding Numbers ... - Free Printable

Let's solve each part of the problem step by step.

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I. Write each number in standard form. (2 points)

1. Five thousand, eight hundred sixteen

- Break it down:
- Five thousand = 5,000
- Eight hundred = 800
- Sixteen = 16
- Add them:
$ 5,000 + 800 + 16 = 5,816 $

✔ Standard form: 5,816

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2. 20,000 + 500 + 8

- Simply add the numbers:
$ 20,000 + 500 = 20,500 $
$ 20,500 + 8 = 20,508 $

✔ Standard form: 20,508

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II. Write each number in expanded form. (2 points)

1. 41,508

Break it down by place value:
- 4 ten thousands = 40,000
- 1 thousand = 1,000
- 5 hundreds = 500
- 0 tens = 0
- 8 ones = 8

So, expanded form is:
$ 40,000 + 1,000 + 500 + 0 + 8 $

✔ Expanded form: 40,000 + 1,000 + 500 + 8

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2. Eighty-nine thousand, six hundred thirty

Break it down:
- Eighty-nine thousand = 89,000
- Six hundred = 600
- Thirty = 30

So, total number is:
$ 89,000 + 600 + 30 $

✔ Expanded form: 89,000 + 600 + 30

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III. Write the following number in word form. (1 point)

60,032

Break it down:
- 60,000 = sixty thousand
- 32 = thirty-two

So, together:
"Sixty thousand, thirty-two"

✔ Word form: Sixty thousand, thirty-two

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IV. Write the place of the underlined digit. Then write its value. (6 points)

We'll go one by one.

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1. 33,245 — underline the first 3 (the leftmost digit)

- The number is: 3 3,245
- Place values from left to right:
- 3 → ten thousands place
- So, place: ten thousands
- Value: $ 3 \times 10,000 = 30,000 $

✔ Place: ten thousands
✔ Value: 30,000

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2. 10,309 — underline the 9 (last digit)

- Number: 10,309
- The 9 is in the ones place
- Value: $ 9 \times 1 = 9 $

✔ Place: ones
✔ Value: 9

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3. 3,507 — underline the 3 (first digit)

- Number: 3,507
- The 3 is in the thousands place
- Value: $ 3 \times 1,000 = 3,000 $

✔ Place: thousands
✔ Value: 3,000

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✔ Final Answers:

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I. Standard Form:

1. Five thousand, eight hundred sixteen → 5,816
2. 20,000 + 500 + 8 → 20,508

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II. Expanded Form:

1. 41,508 → 40,000 + 1,000 + 500 + 8
2. Eighty-nine thousand, six hundred thirty → 89,000 + 600 + 30

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III. Word Form:

60,032 → Sixty thousand, thirty-two

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IV. Place and Value:

| Number | Underlined Digit | Place | Value |
|--------|------------------|-------------|-----------|
| 33,245 | 3 | ten thousands | 30,000 |
| 10,309 | 9 | ones | 9 |
| 3,507 | 3 | thousands | 3,000 |

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