Number Writing 0-20 — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Ten plus six equals 16.
Ten and six more make sixteen, written with the digits 1 and 6.
2. Ten plus two equals 12.
Twelve is one ten plus two ones, written as the numeral 12.
3. Ten plus nine equals 19.
Nineteen has one ten and nine ones, the largest single teen number.
4. Ten plus seven equals 17.
Seventeen is one ten plus seven ones, written with the digits 17.
5. Count: 10, 11, 12, 13, 14.
Fourteen follows thirteen when we count teen numbers in counting order.
6. Count: 15, 16, 17, 18, 19.
Eighteen sits between seventeen and nineteen on the number line.
7. Count backward: 20, 19, 18, 17.
Going down from eighteen by one gives us seventeen.
8. Ten plus zero equals 10.
Ten with zero extra ones stays as the number 10 with one ten.
9. Ten plus four equals 14.
Fourteen has one ten and four extra ones, written as 14.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
eleven
→ 11
11
thirteen
→ 13
13
sixteen
→ 16
16
twenty
→ 20
20
Each number word names the same amount as its digit form, so we pair them together.