# Three-Digit Numbers

 Ten ones make a ten: Ten ten-pillars make ONE HUNDRED: = = 10 ones = 10 10 tens = 100

Write hundreds, tens, and ones in their own columns:

=
 hund- reds tens ones 3 2 7

three hundred twenty-seven

1. Count the ones, tens, and hundreds, and fill in the missing parts.

a. one hundred
one

 hundreds tens ones 1 0 1

b. one hundred
six

 hundreds tens ones

c. one hundred
eleven

 hundreds tens ones 1 1 1

d. one hundred
thirteen

 hundreds tens ones

e. one hundred
twenty

 hundreds tens ones

f. one hundred
twenty-five

 hundreds tens ones

g. one hundred
fifty

 hundreds tens ones

h. one hundred
sixty-two

 hundreds tens ones

2. Count the ones, tens, and hundreds, and fill in the missing parts.

a.    two hundred

four

 hundreds tens ones 2 0 4

b.    two hundred

thirteen

 hundreds tens ones

c.  ___________________

___________________

 hundreds tens ones

d.  __________________

__________________

 H T O

e.  __________________

__________________

 H T O

f.  __________________

__________________

 H T O

g. ________________________________

 H T O

h.   Ten hundreds = One thousand

 =

 Th H T O 1 0 0 0

3. Write a sum of the hundreds, tens, and ones shown in the picture.
Also write the number.

 a.

_____________ + ________ + _____

 H T O
 b.

_____________ + ________ + _____

 H T O
 c.

_____________ + ________ + _____

 H T O
 d.

_____________ + ________ + _____

 H T O

Notice: There are NO ones.
Write a zero for ones in the sum.

 e.

_____________ + ________ +     0

 H T O

Notice: There are NO tens.
Write a zero for tens in the sum.

 f.

_____________ +     0     + ________

 H T O

4. Match the numbers, number names, and the sums to the correct pictures.

 118 505 818 550 508 805

 eight hundred five five hundred fifty one hundred eighteen

 500 + 8 500 + 5 800 + 10 + 8

5. The dots are ones, the pillars are tens. Group together 10 ten-pillars to make a hundred.

 a.

235

 b.

____________

 c.

____________

 d.

____________

 How many tens are in a thousand?