Understanding Place Value

What is a digit?

• A type of animal

• A number we use: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

• A letter in the alphabet

• A shape

What is place value?

• The position of a digit in a number

• The total number of digits in a number

• The size of a number

• The color of a digit

What is the value of the digit 7 in the number 578?

• 7,000

• 700

• 70

• 7

Say the number 567.

• Five hundred, six seven

• Fifty-six seven

• Five six seven

• Five hundred sixty-seven

Write the number 132 in expanded form.

• 132

• 1 + 3 + 2

• 100 + 30 + 2

• 100 + 20 + 2

What is the value of the digit 9 in the number 4,952?

• 9,000

• 900

• 90

• 9

Answer explanation

In the number 4,932, the digit 9 is in the hundreds place. Therefore, its value is 900.

 Say the number 2,159.

• Two hundred, fifteen nine

• Twenty-one fifty-nine

• Two thousand, one hundred fifty-nine

• Two, one, five, nine

Answer explanation

The number 2,159 is pronounced as "two thousand, one hundred fifty-nine."

Write the number 9,486 in expanded form.

• 9,00 + 40 + 800 +6

• 9 + 4 + 8 + 6

• 900 + 80 + 6

• 9,000 + 400 + 80 + 6

Answer explanation

In expanded form, write each digit in a number separately, representing its place value. In the number 9,486, the expanded form is 9,000 + 400 + 80 + 6, where 9 thousands represent 9,000, 4 hundreds represent 400, 8 tens represent 80, and 6 ones represent 6.

 What is the value of the digit 8 in the number 8,674?

• 8,000

• 800

• 80

• 8

Answer explanation

In the number 8,674, the digit 8 is in the thousands place. Therefore, its value is 8,000.

Say the number 3,508.

• Three hundred, fifty-eight

• Three thousand, five hundred eight

• Thirty-five, eight

• Three, five, zero, eight

Answer explanation

The number 3,508 is pronounced as "three thousand, five hundred eight."