Understanding Teenage Numbers

What is the range of teenage numbers?

• 11 to 19

• 20 to 29

• 1 to 9

• 10 to 20

What does the '1' in the tens place of a teenage number represent?

• Zero

• One hundred

• Ten units

• One unit

In the number 14, how many extra ones are there?

• Four

• Zero

• Ten

• One

What is hidden inside every teenage number?

• A zero

• A five

• A ten

• A hundred

How is the number 18 composed?

• Two tens and eight ones

• One ten and eight ones

• One ten and zero ones

• Eight tens and one one