Lesson 1 session 1
solve the problem. show your work
look at the number 253 in the place-value chart. between which
two tens does it fall? between which two hundreds does it fall?
hundreds
tens
ones
2
5
3

Explanation:

The place-value chart is:

Hundreds         Tens      Ones

       2                   5             3

a)  Between which two tens does it fall?

Using the place values you can write 253 = 25 × 10 + 3, i.e. 25 tens and 3 ones.

From that you can write:

Then, you conclude that 253 is between 25 and 26 tens.

b) Between which two hundreds does it fall?

Using the same reasoning:

Conclusion: 253 is between 2 hundreds and 3 hundreds.

step-by-step explanation:

b and c