Understanding Digits and Place Value

How many digits does our number system use?

• 5

• 9

• 12

• 10

What is the largest single digit in our number system?

• 8

• 10

• 11

• 9

Why do we use two places to write the number 10?

• To make calculations easier

• Because 10 is a special number

• To confuse students

• To represent values larger than 9

What does a zero in the ones place indicate?

• The number is prime

• The number is odd

• The number is even

• There are no units

How is the number 20 represented in terms of place value?

• Two in the ones place and zero in the tens place

• Zero in the ones place and two in the tens place

• Zero in both the ones and tens place

• Two in both the ones and tens place