Name: 
 

Lesson 3 - Solving Problems that Involve Large Numbers



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Belinda is reading Treasure Island by Robert Louis Stevenson. She wants to know about how many words she will be reading. She counts 39 lines per page and determines that the average word has 5 letters. Her copy of the novel has 218 pages.
Which expression would Brenda use to determine the approximate number of words in the novel?
a.
(39 + 5) mc001-1.jpg 218
b.
39 mc001-2.jpg (5 + 218)
c.
mc001-3.jpg
 

 2. 

Refer to question 1. About how many words are in the novel?
a.
42 510
b.
8697
c.
9592
 

 3. 

Connor is reading Harry Potter and the Order of the Phoenix by J.K. Rowling. He wants to know about how many words he will be reading. He counts 37 lines per page and determines that the average word has 5 letters. His copy of the novel has 766 pages.
Which expression would Connor use to determine the approximate number of words in the novel?
a.
(766 + 5) mc003-1.jpg 37
b.
5 mc003-2.jpg (766 + 37)
c.
766 mc003-3.jpg 5 mc003-4.jpg 37
 

 4. 

Refer to question 3. About how many words are in the novel?
a.
4015
b.
141 710
c.
28 527
 

 5. 

Determine the product of 255 mc005-1.jpg 1000.
a.
2 500 000
b.
25 500
c.
255 000
 

 6. 

Which expression would you use to estimate the product of 387 mc006-1.jpg 528 to the nearest hundred.
a.
400 mc006-2.jpg 5
b.
3 mc006-3.jpg 500
c.
300 mc006-4.jpg 5
d.
4 mc006-5.jpg 600
 

 7. 

Which estimate is the most reasonable for the product 265 mc007-1.jpg 724?
a.
140 000
b.
210 0000
c.
160 000
 

 8. 

Select the product of 846 mc008-1.jpg 761.
a.
643 806
b.
638 400
c.
646 000
 

Short Answer
 

 9. 

Use the place value chart to describe how you would determine the product 725 sa009-1.jpg 1000.

Million
Thousand
Ones
H
T
O
H
T
O
H
T
O
 
 
7
2
5
 

 10. 

Use the place value chart to describe how you would determine the product 1850 sa010-1.jpg 1000.

Million
Thousand
Ones
H
T
O
H
T
O
H
T
O
 
 
1
8
5
0
 



 
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