Exponents and Large Numbers

TIMS Bit

1. 4000
2. 8000
3. 7000
4. 23,000
5. 49,000
6. 90,000
7. Possible response: I looked at the number in the 100s place. Since it was a 7, I knew I had to round the number in the thousands place up from 9000 to 10,000. That made the final number 90,000.
1. 20,000
2. 50,000
3. 360,000
4. 200,000
5. 140,000
6. 1,000,000
7. Possible response: I looked at the number in the thousands place. Since it was a 7, I knew I had to round 90,000 up to 100,000. Since there is already a 9 in the 100,000 place I had to round up to 1,000,000.