Rounding
Estimation
Adding and Subtracting
Problem Solving
Misc
100
12,064 rounded to the nearest hundreds
What is 12,100?
100
A carpenter cuts 3.7 feet from a board that is 10.9 feet long, Which is the best estimate of the length of the remaining board? 4 feet, 7 feet, 11 feet, or 15 feet?
What is 7 feet?
100
Solve for n: 102,369 + 60,320 = n.
What is 162,689? (n = 162,689)
100
Mr. K bought a pack of pencils and then gave 12 away. He now has 24 left. How many pencils were in the pack of pencils that Mr. K bought?
What is 36 pencils?
100
Consecutive numbers are numbers in counting order such as 49, 50, 51. What are three consecutive numbers whose sum is 111?
36, 37, 38
200
Round 23.009 to the nearest hundreth.
What is 23.01?
200
Max went shopping last Saturday at Target and bought socks for $6.52; long pants for $19.89; and shirts for $21.15. What is the best estimate for how much money Max spent: $57; $48; $40; $36?
What is $48?
200
Solve for n: 58,005 - 1,098 = n.
What is 56,907? (n = 56,907)
200
Julie spent $7.99 on a book and $12.75 on art supplies. How much did she spend on the book and art supplies all together?
What is $20.74?
200
When you are rounding to the nearest hundred, what is the least whole number that can be rounded to 4,600? What is the greatest whole number?
4,550 and 4,649
300
Round 643.82 to the nearest one.
What is 644?
300
A soccer stadium has 40,218 seats. For one game 37,842 people came to the stadium. Estimate the number of empty seats at the game to the nearest thousand.
What is approximately 2,000 empty seats?
300
Maddie made a deposit of $280 to her bank account. Her balance is now $630.42. What was her balance before the deposit was made?
What is $350.42?
300
Mr. Wilson's vegetable garden is rectangular. It is 7.75 m long and 3.5 m wide. He wants to put a fence around the edge of the garden to keep animals from eating his vegetables. How many meters of fence does he need?
What is 22.5 meters?
300
Robert used $5.00 to buy a sandwich and soup for lunch. The soup cost $1.25 and he received $1.86 in change. How much did the sandwich cost?
What is $1.89?
400
In 2006, the population of Washington State was 6,395,798. Round the population to the nearest hundred thousands.
What is 6,400,000?
400
Estimate the sum to the nearest whole number. 29.1 + 78.9 + 41.5
What is approximately 150?
400
Yosemite National Park covers 750,000 acres. Mammoth Cave National Park covers 52,830 acres. How many more acres does Yosemite cover than Mammoth Cave?
What is 697,170 acres?
400
Kimia has a $10 bill, a $20 bill, and 2 $5 gift certificates. She uses the gift ertificates toward the purchase of a CD for $14.00. How much money does Kimia have left after buying the CD?
What is $26.00?
400
At a track meet Gabe ran 2,640 feet in the first 5 minutes and 2,152 feet in the last 5 minutes. How much farther did he run in the first 5 minutes than the last 5 minutes?
What is 488 feet?
500
Round 95.25 to the nearest tenth; nearest whole number; nearest ten.
What is 95.3; 95; 100?
500
Ryan took 2 pair of shoes (sneakers and sandals) and 3 pair of shorts (red, blue, and white) with him when he went to Hawaii. How many different combinations of clothing can Ryan wear? Make a list all the possible outfits with 1 pair of shoes and 1 pair of shorts combinations.
What is 6 different combinations? The combinations are: sneakers and red shorts; sneakers and blue shorts; sneakers and white shorts; sandals and red shorts; sandals and blue shorts; sandals and white shorts.
500
Mrs. Sharkey has a basket of 17 tomatoes. She makes sauce with 9 tomatoes. If Mrs. Sharkey wants to split up the rest between Mrs. Neyland, Mr. Kershner, Mrs. Guinn, and herself, how many tomatoes does each person get? Show your work.
What is 17 - 9 = 8; 8/4 = 2 tomatoes each.
500
Jenna has two $5 bills and three $10 bills. She spends $3.85 for a milkshake and $7.98 for a banana split. How much money does she have left?
What is $28.17?
500
Ethan, Paula, and Grace W. each have $0.50. Ethan has 6 coins; Paula has 7 coins; and Grace has 8 coins. What coins does each person have?
Ethan: 10 - 10 - 10 - 10 - 5 - 5 or 25 - 5- 5- 5- 5- 5 Paula: 10 - 10 - 10 - 5 - 5 - 5 - 5 Grace: 10 -10 -5 - 5 - 5 - 5 - 5 -5 or 25- 10- 10-1-1-1-1-1
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