Understanding Place Value

Why is our number system based on the number 10?

• Because humans have 10 fingers.

• Because it is the largest single-digit number.

• Because it is the most common number in nature.

• Because it is the smallest two-digit number.

What is the value of a digit in the ones place?

• The digit itself

• The digit multiplied by 10

• The digit multiplied by 100

• The digit multiplied by 1,000

If the digit 5 is in the tens place, what is its value?

• 5

• 50

• 500

• 5,000

What is the value of the hundreds place?

• 100

• 10

• 10,000

• 1,000

If the digit 2 is in the thousands place, what is its value?

• 200,000

• 200

• 2,000

• 20,000