Math Olympiad 2

Place Value & Expanded Form( Week 28 Evaluation)

1. In the number 4702233, what is the hundred thousands digit?

2. In the number 688, what is the digit in the tens place: ?

3. In the number 644, what is the digit in the hundreds place: ?

4. In the number 4499, what is the digit in the tens place?

5. In the number 131548334, what is the digit in the hundred millions place?

6. Convert the following expanded form into a whole number: 5 × 10² + 9 × 10¹ + 1 × 10⁰ =

7. Convert the following expanded form into a whole number: 4 × 10⁴ + 9 × 10³ + 1 × 10² + 6 × 10¹ + 5 × 10⁰ =

8. Round 8144 to the nearest thousands.

9. Round 634048 to the nearest hundreds.

10. Round 448251468 to the nearest tens.

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