Standard and Word form of Decimals

Decimal Forms and Comparisons

Standard Form

• Standard= Regular or Normal

• Example 35.89

Multiple Choice

What is the standard form of twenty four AND thirty six hundredths?

• .2436

• 24.36

• 2.436

• 24.036

Word or Written Form

• When you write the words you say when you write the number.

• Example- thirty five AND eighty nine hundredTHS

Multiple Choice

What is 5.345 in written form?

• five AND three hundred forty five tenTHS

• five AND three hundred forty five hundredTHS

• five AND three hundred forty five thousandTHS

• five thousand three hundred forty five

Expanded Form

Stretch out that number!

Expanded form makes an addition problem out of the VALUES of each digit. 

Multiply the digit by its place value.
456 = (4 x 100) + (5 x 10) + (6 x 1)

When there are decimal places, think about the place value name and multiply the digit by that name: 0.76

• 7 is in the tenths, so 7 times 1 tenth is (7 x 0.1)

• 6 is in the hundredths, so 6 times 1 hundredth is (6 x 0.01) 

• Add the values to show the expanded form. (7 x 0.1) + (6 x 0.01)

Multiple Choice

What is the value of the digit 6 in the number 14.682?

• 6

• 60

• $$\frac{6}{10}$$

• $$\frac{6}{100}$$

Expanded form can use decimals or fractions

• 6.78 = (6 x 1) + (7 x 0.1) + (8 x 0.01)

• 6.78 = (6 x 1) + (7 x 1/10) + (8 x 1/100)

Multiple Choice

What is the standard form for 3 + 0.8 + 0.09 + 0.002?

• 389.2

• 3,892

• 38.92

• 3.892

Multiple Choice

Which is the correct expanded form of: 3.21?

• (3 x 1) + (2 x 0.1) + (1 x 0.01)

• (1 x 3) + (1 x 0.2 )+ (1 x 0.01)

• 3 + 2 + 1

Multiple Choice

Which decimal number represents seven hundred ninety-two and five hundredths?

• 792.500

• 792.05

• 792.005

• 792,500

Multiple Choice

Which of the following choices is the correct way to write the following number in word form? 176.003

• one hundred and seventy six and three hundredths

• one hundred seventy-six and three thousandths

• one hundred seventy-six and three hundredths

• one hundred seventh-six and three tenths

Multiple Choice

What is the standard form of this number?

(7 x 10) + (3 x 1) + (8 x 0.1)

• 738

• 7.38

• 73.8

Multiple Choice

Which number shows seventy-three hundredths in standard form?

• 7,300

• 7.3

• 0.73

• 0.073

Multiple Select

Choose the two correct expanded forms for 50.27

• (5 x 10) + (2 x 0.1) + (7 x 0.01)

• (5 x 1) + (2 x 1/10) + (7 x 1/100)

• (5 x 10) + (2 x 1) + (7 x 0.1)

• (5 x 10) + (2 x 1/10 + (7 x 1/100)