How many do you see? How do you see them?

1. I have 2 ones, 7 tens, and 6 hundreds.
2. I have 3 ones, 5 tens, and 2 hundreds.
3. I have 7 hundreds, 5 ones, and 3 tens.
4. I have 5 hundreds, no tens, and 9 ones.
5. I have 4 ones, 6 tens, and 3 hundreds.
6. I have 8 tens, 1 hundred, and no ones.

Find the number that makes each equation true. Use base-ten blocks or diagrams if they help.

1. 4 hundreds 6 tens 2 ones __________
2. 7 ones 2 hundreds 6 tens __________
3. 3 tens 5 hundreds __________
4. 325 __________ hundreds __________ ones __________ tens
5. 70 300 2 __________
6. 836 6 800 __________

7. Clare and Elena try to find the number that makes the equation true.

   7 ones 3 hundreds __________.

   They wrote different answers.

   • Clare wrote 7 ones 3 hundreds 37.

   • Elena wrote 7 ones 3 hundreds 307.

   Who is correct? Explain how you know.