Understand Place Value--Decimals

Topic 1 Reteach

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Write the number name and tell the value of the underlined digit for 930, 365.

• Nine hundred and thirty-thousand, three hundred, sixty-five.

• Since the 0 is in the thousands place, its value is 0 thousands, or 0.

Remember: you can find the value of a digit by its place in a number. Write the number name and tell the value of the underline digit

• 9,000,009:

• 485,002,000:

Multiple Choice

Tell the value of the underline digit: 25,678

• 5,000

• 5

• 1,000

Write the standard form, expanded form, and number name for a decimal:

Write each number in standard form, remember: the word and is written for the decimal point.

Multiple Choice

Write the number in standard form: Seven and three thousandths.

• 73,000

• 73

• 7.03

• 7.003

Multiple Choice

Write the number in standard form:

$$\left(3\ \times1\right)\ +\ \left(3\ \times\ \frac{1}{10}\right)\ +\ \left(7\ \times\frac{1}{100}\right)\ +\ \left(9\ \times\ \frac{1}{1000}\right)$$  

• 3,379

• 3.3070

• 3.379

• 30.379

Which number has a digit in the ones place that is 1/10 the value of the digit in the tens place?

​A. 3,033.7

B. 6,994.99

C. 7,202.23

D. 6,077.31

E. 4, 333.1​

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Multiple Choice

Which number has a digit in the ones place that is 1/10 the value of the digit in the tens place?

• 322.134

• 454.1

• 331.444

• 567.89

Compare the decimals. Write >,<, or =. Line up the decimal points. Start at the left to compare. Find the first palce where the digits are different.

• 8.45 _ 8.47

• 0.584 _ 0.58

Multiple Choice

Compare the decimals: 9.327 and 9.236

• >

• <

• =

Multiple Choice

Compare the decimals: 5.2 and 5.20

• >

• <

• =

Multiple Choice

Compare the decimals: 0.07 and 0.08

• >

• <

• =

Round 12.087 to the place of the underlined digit.

• 12.087 Look at the digit following the underlined digit. Look at 7.

• Round to the next greater number of hundredths because 7 > 5.

Multiple Choice

Round the number to the place of the underlined digit: 10.245

• 10.2

• 10.24

• 10.25

• 10

Multiple Choice

Round the number to the place of the underlined digit: 73.4

• 7

• 70

• 80

• 73

​When writing equivalent decimals, it does not matter how many zeros you add at the end of the decimal:

0.7 is the same as 0.70

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What is another decimal that is equivalent?​

Subject | Subject

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Multiple Choice

Select all decimals that are equivalent to 0.8

• 0.08

• 0.80

• 0.800

• 0.080