Look at Model A. How many bundles of 10 ones can you make?
1 bundle of 10 ones.
What do you call a bundle of 10 ones?
A bundle of 10 ones is called a ten.
How many ones are left over?
6 ones.
What number is shown in Model A?
16
How many tens and ones are in 16?
1 ten and 6 ones.
Count up from 16.
17, 18, 19, 20, 21, and so forth.
Look at Model B. How many tens and ones do you see?
4 tens and 0 ones.
What number is shown in Model B?
40
Count up from 40.
41, 42, 43, 44, 45, and so forth.