Teen Numbers and Place Value

1. The number $13$ is made of 1 ten and some ones.

$13 = 10 + \underline{\quad}$

Draw $10$ circles in one group and the leftover ones in another group:

Ten: $\underbrace{\bigcirc\bigcirc\bigcirc\bigcirc\bigcirc\bigcirc\bigcirc\bigcirc\bigcirc\bigcirc}_{10}$ Ones: $\underline{\quad\quad}$

2. Fill in the blanks:

$11 = 10 + \underline{\quad}$

$16 = 10 + \underline{\quad}$

$10 = 10 + \underline{\quad}$

$19 = 10 + \underline{\quad}$

3. A teacher has $10$ crayons in a box and some more on the desk.

$\text{📦 = 10 crayons}$

$\text{📦}$ and $\text{🖍 🖍 🖍 🖍 🖍}$ extra crayons.

How many crayons are there in all? $\underline{\quad}$

Write the addition: $10 + \underline{\quad} = \underline{\quad}$

4. Look at each number. Write how many tens and how many ones.

| Number | Tens | Ones | |--------|------|------| | $14$ | $\underline{\quad}$ | $\underline{\quad}$ | | $17$ | $\underline{\quad}$ | $\underline{\quad}$ | | $11$ | $\underline{\quad}$ | $\underline{\quad}$ | | $20$ | $\underline{\quad}$ | $\underline{\quad}$ |

5. Sam has $10$ blocks in a tower and $8$ blocks on the floor.

How many blocks does Sam have? $\underline{\quad}$

Write the number sentence: $10 + 8 = \underline{\quad}$

Now draw $10$ blocks in a row and $8$ more below them to show this number.

Is $18$ a teen number? Circle: Yes / No