Math Olympiad 2

Place Value & Expanded Form( Week 28 Evaluation)

1. In the number 1582445, what is the thousands digit?

2. In the number 645, what is the digit in the tens place: ?

3. In the number 693, what is the digit in the hundreds place: ?

4. In the number 1656, what is the digit in the tens place?

5. In the number 170163694, what is the digit in the one millions place?

6. Convert the following expanded form into a whole number: 6 × 10² + 9 × 10¹ + 9 × 10⁰ =

7. Convert the following expanded form into a whole number: 1 × 10⁴ + 6 × 10³ + 3 × 10² + 7 × 10¹ + 7 × 10⁰ =

8. Round 7906 to the nearest tens.

9. Round 2728534 to the nearest tens.

10. Round 337085287 to the nearest ten thousands.

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