Math Review

Rounding

100

For numbers 7a-c choose Yes or No to tell if the number is rounded to the nearest thousand.  

7a. 234,566                    Yes/No

 235,000 

b. 7,893                          Yes/No

  7,900 

c. 958,075                       Yes/No

958,000 

7a. Yes

7b. No 

7c. Yes 

200

For numbers 10a-e write 685,203 rounded to the nearest place value. 

10a. ten ________________

10b. hundred __________________

10c. thousand _____________________

10d. ten thousand __________________

10e. hundred thousand __________________

a. 685,200

b. 685, 200

c. 685,000

d. 690,000

e. 700,000 

300

Round this number to the nearest thousand 29,653

30,000

400

Round to the nearest hundred 5,489

5,500 

500

Round to the nearest ten thousand 127,632

130,000

Word Problems

100

Danika measures 349 centimeters of yellow ribbon and 478 centimeters of red ribbon. How much ribbon does Danika measure in all?

827 centimeters

200

This season a farmer collects 4,516 liters of maple tree sap to make maple syrup. Last season he collected 1,740 liters less. How much maple tree sap did the farmer collect last season? 

2776

300

A company manufactures 238,500 grams of a chemical in April. It manufactures another 215,750 grams in May.  How much of the chemical does the company manufacture in all during April and May? 

454,250

400

The library had a total of 2,380 visitors. The museum had 2,167 more visitors than the library. How many visitors did the museum have? Write an equation for the problem, and then solve it. Show your work.  

2,380 + 2,167 =n; 2,380 +2,167=4,547; 4,547 visitors 

500

Last week there were two soccer games. There were 3,982 people at the first soccer game. There were 1,886 fewer people at the second soccer game than at the first soccer game.  How many people attended the soccer games last week? Show your work.  

This was two steps.  1) 3,982-1,886=2,096 then you take 2,096+3,982 and that =6,078

6,078 people attended the soccer game last week.  

Addition and subtraction

100

4,379+3,284=

7,663

200

57,340-26,817=

30,523

300

389,416+237,825=

627,241

400

648,939-584,172=

64,767

500

5,175+4,483=

9,659

Random

100

Fill in the blank to show the number of hundreds 

2,300=_____________ hundreds. Explain how you know.  

23

23x100 equals 2,300, so 2,300 equals 23 hundreds 

200

Select another form of 65,042. Mark all that apply. 

A 6+5+0+4+2

B sixty-five thousand, forty two

C 60,000 +5,000+ 40+2

D six hundred fifty, forty two 

B, C 

300

For exercises 8a-8c, Choose true or false to describe the statement. 

8a. 34,639>34,369

8b. 2,709 =2,790

8c. 480,920> 480,902

a. True

b. False

c. True

400

Make a place value drawing for 3,268

Drawings will vary, check answers.  

500

Write a word problem that requires subtracting 1,376 from 7,651

Answers will vary