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Renaming Numbers
Place Value Identification
Reading Decimals
Rounding Decimals
Rounding Whole Numbers
100

Put this number into expanded form: 

3 452 245 

3 000 000 + 400 000 + 50 000 + 2000 + 200 + 40 + 5

100
 What is the value of the bolded number? 


3 439 232

Thousands 

100

Write this decimal the way that you would read it. 

9.3

9 and 3 tenths 

100

Round this decimal to the nearest tenth. 


89.493

89.5

100

Round this number to the nearest million. 

5 345 456

5 000 000 

200

Put this number into word form: 

5 234 345

Five million, two hundred thirty four thousand, three hundred forty five 

200

What is the value of the bolded number? 

54 892 234

Ten thousands 

200

Write this decimal the way that you would read it. 

9.0234

9 and 234 ten thousandths 

200

Round this decimal to the nearest hundredth. 


687.3456

687.35

200

Round this number to the nearest million. 

7 856 456

7 000 000 

300

Put this number into standard form: 

5 000 000 + 300 000 + 60 000 + 4000 + 900 + 80 + 3

5 364 983

300

What is the value of the bolded number? 

432 346 456

Ten millions

300
Write this decimal in standard form. 


43 and 8922 ten thousandths. 

43.8922

300

Round this decimal to the nearest thousandth. 

456.346319

456.346

300

Round this number to the nearest billion. 

8 734 345 342

9 000 000 000 

400

Put this number into standard form: 

Seven billion, nine hundred twenty three million, sic hundred forty nine thousand, two hundred twenty seven

7 923 649 227

400

What is the value of the bolded number? 

2 345 456 432

Billions  

400

Write this decimal in standard form.

983 and 9453 hundred thousandths

983.09453

400

Round this decimal to the nearest ten thousandth.

983.454393

983.4544

400

A charity fundraiser aims to collect $8,126,450 to support community programs. So far, they have raised $3,789,320. Using rounding, approximately how much more money do they need to reach their goal?

8 000 000 - 4 000 000 = 4 000 000 

They need to raise approximately $4 000 000 more to reach their goal. 

500

Put this number into decimal form: 

63 345 456

63.34 million

500

What is the value of the bolded number? 

3 902 346 234

Hundred millions

500
Write this decimal in standard form. 


345 and 735 millionths

345.000735
500

Round this decimal to the nearest hundred thousandth. 

3463.938273

3463.93827

500

A global construction company reported annual revenue of $9,457,812,000. Their total expenses for the year were $7,392,641,000. Using rounding, approximately how much profit did the company make?



9 000 000 000 - 7 000 000 000 = 2 000 000 000 

They have made approximately $2 000 000 000 in profit.