Add Whole Numbers
847
237
Car for sale: $18,469
New car fund: $3,553
Jasper needs $14,916 more
Ms. Chen wants to put border paper around a rectangular bulletin board that is 6 feet long and 4 feet wide. How many feet of border paper should she buy?
20 feet of border paper
Estimate: 47
47 is closest to 50
A movie theater was showing Minions and Monsters. On Friday, the theater sold 54 tickets, 31 on Saturday, and 27 on Sunday. How many tickets did the movie theater sell in total?
A coffee shop sold 53 lattes on Monday and 24 lattes on Tuesday. How many more lattes did the coffee shop sell on Monday than Tuesday?
29 more lattes
An adult orca weighs 16,200 pounds. A one-year-old orca weighs 1,130 pounds. How many pounds greater is the adult orca's weight than the one-year-old orca's weight?
15,070 pounds
A fence can prevent animals from eating the vegetable garden. What is the amount of fencing needed to surround the garden?
L = 8 meters
W = 6 meters
P = 8 + 6 + 8 + 6
28 meters
Estimate 3,342
3,342 is closest to 3,000
On Wednesday, 980 passengers rode on a local bus in Chicago, and 1,107 on the express bus. How many passengers rode on the two buses on Saturday?
2087 passengers
Of the 9,415 plant and animal species on a conservation group's endangered species list, 6,306 are listed as near extinction. How many of the species on the list are not considered near extinction?
3,109 species
There were 2,586 cups of soup sold by a restaurant in January. In February, 930 more cups of soup were sold than in January. How many cups of soup were sold in February?
3,516 cups of soup
A rope will be placed around the perimeter of the rectangular garden until the seeds have bloomed. What is the least amount of rope needed to go around the perimeter of the garden?
L = 12ft
W = 11ft
46 feet of rope
P = 12 + 11 + 12 + 11
1,223 + 2,009 = ?
Estimate: ______
3,232 → 3,000
City | Population
Anchorage | 286,174
Fairbanks | 35,252
Juneau | 30,796
What is the combined population of the three major Alaskan cities?
352,222 people
At present, the highest peak of the Appalachian Mountains is 6,684 feet. Millions of years ago, the highest peak was about 30,000 feet. What is the difference between the highest peak millions of years ago and the highest peak today?
23,316 feet
A shopping mall has 15,923 employees for most of the year. During the busy season, the mall has 1,452 more employees. How many employees does the mall have during the busy season?
17,375 employees
Zach is training to run a marathon. His practice route is the shape of a square that is 8 kilometers in one direction. How far does Zach run in his practice route?
32 kilometers
There were 4,920 drivers in Iowa and 2,875 in Illinois. Round each addend to the nearest thousand. Does your estimate show your answer is reasonable?
4,920 + 2,875 = 7,795
5,000 + 3,000 = 8,000 (rounded)
Yes, 7,795 is very close to 8,000, so the answer is reasonable.
Food Item | Number Sold
Loaves of bread | 159,120
Muffins | 395, 215
Pies | 87,312
Sandwich Rolls | 503,147
662,267 sandwich rolls and loaves of bread
State Parks | Visitors 2010-2011 | Visitors 2013-2014
Honda SP | 535, 578 (10-11) | 675, 997 (13-14)
Cape Florida SP | 714,865 (10-11) | 882,500 (13-14)
Island SP | 823,526 (10-11) | 857,884 (13-14)
How many more people visited Island SP in 2013-2014 than in 2010-2011?
34,358 people
On Monday, Tuesday, and Wednesday, Mel’s Cafe is open for 7 hours each day. On Thursday, Mel’s Cafe is open for 5 hours.
How many hours is Mel’s Cafe open in total from Monday through Thursday?
26 hours
Ashley wants to build a new rectangular pen for her pet rabbit. She knows the perimeter of the new pen will be 40 feet. She also knows that the length can only be 12 feet. What is the width of her new rabbit pen?
W = 8 feet
40 = 12 + w + 12 + w
40 = 24 + w + w (40-24 = 16)
2 x w = 16
During a year, 80,149 car passengers and 17,760 foot passengers ride on a ferry. How many passengers rode the ferry that year? Explain how you know your answer is reasonable.
97,909 passengers
80,000 + 20,000 = 100,000
I can estimate by rounding 80,149 to 80,000 and 17,760 to 20,000. After adding my rounded answers, 100,000 is close to 97,909, so my answer is reasonable.