Rounding to the nearest ten
Rounding to the nearest hundred
Benchmark Numbers
Word Problems
Smallest & Largest Numbers
100

Round 145 to the nearest 10 

150 

100

What is 984 rounded to the nearest hundred? 

1,000

100

What are the three benchmark numbers when rounding 26 to the nearest 10?

20, 25, and 30

100

Hank has 64 brownies and 86 cookies to sell at the bake sale. About how many items does Hank have to sell?

150 

100

What is the largest number that can round to 90 when rounding to the nearest 10?

94

200

What is 465 rounded to the nearest ten? 

470 

200

Look at the numbers. 399, 489, 564, 442 Which number, when rounded to the nearest 100, rounds to 500?

What is 489?

200

What are the three benchmark numbers when rounding 92 to the nearest 10?

90, 95, and 100

200

Jon travels 241 miles to get to the beach. To get to the same beach, Stacy travels 367 miles. What is the best estimate for the total amount of miles the two friends traveled? 

600 miles 

200

What is the smallest number that can round to 50 when rounding to the nearest 10?

45

300

What is 1,783 rounded to the nearest 10? 

1,780 

300
What are the greatest and least numbers that can be rounded to 900 when rounding to the nearest hundred? A. 949 and 850 B. 950 and 849 C. 950 and 850 D. 949 and 849
What is A?
300

What are the three benchmark numbers when rounding 129 to the nearest 10?

120, 125, and 130

300

Molly had 938 donuts at her bakery. She sold 283 this morning. About how many donuts does Molly have left?

600 Donuts 

300

What is the largest number that can round to 400 when rounding to the nearest 100?

449

400

Which number, when rounded to the nearest ten, rounds to 150? 

A. 144   B. 146   C. 155   D. 161

B. 146

400

What is 562 rounded to the nearest hundred? 

600

400

What are the three benchmark numbers when rounding 286 to the nearest 100?

200, 250, 300

400

George read 198 pages in his book on Monday night. On Tuesday night he read 74 pages. What is the best estimate for the number of pages that George read on Monday and Tuesday night?

270 pages 

400

What is the smallest number that can round to 700 when rounding to the nearest 100?

650

500

What is 4,284 rounded to the nearest 10?

4,280

500

What is 4,284 rounded to the nearest 100?

4,300

500

What are the three benchmark numbers when rounding 1,312 to the nearest 100?

1,300; 1,350; 1,400

500

Ella hit 348 tennis balls on Monday, 219 tennis balls on Tuesday, 67 tennis balls on Wednesday, and 984 tennis balls on Thursday.  By rounding to the nearest 100, about how many tennis balls did she hit altogether?

1,600 tennis balls

500

What is the smallest number that can round to 1,400 when rounding to the nearest 100?

1,350