Estimation
Logan had a guitar recital on Wednesday and 1,689 people were in attendance. On Thursday he performed again for an audience of 2,154. Using rounding to the nearest hundred estimate how many more people showed up on Thursday than Wednesday.
About 500 hundred more people
A tech company reported revenues of $498,265 in June and $349,187 in July.
What were the total revenues for the two months?
$ 847,452
Cameron has 5 boxes filled with action figures. Each box holds 355 action figures. How many action figures does he have in total?
1775
Which rule is used to generate the pattern below?
2 2 2 2
x1
Sophia’s sports drink bottle holds 600 milliliters. She drank 175 milliliters during practice and 210 milliliters after practice. How many milliliters does she have left to drink?
215 milliliters
On Wednesday, 3,456 students attended a concert. On Thursday, 4,289 students attended the same concert. Which expression correctly uses rounding to estimate how many more students attended on Thursday than on Wednesday?
(4,300−3,400)
James's water bottle holds 750 milliliters. He drank 155 milliliters before his workout and 326 milliliters after his workout.
How many milliliters does he have left to drink?
269
Devyn has 8 baskets filled with fruit. Each basket contains 285 apples. How many apples does she have in total?
2280
What pattern do these numbers follow?
8 800 80,000 8,000,000
x100
At a baseball stadium, 10,265 cars can park in the parking lot. At a nearby football stadium, a total of 12,898 cars can park. In all, how many cars can park at both stadiums?
23,163 cars
On Monday, 1,789 people visited a museum. On Tuesday, 2,345 visited the same museum. Which expression correctly uses rounding to estimate how many more visitors there were on Tuesday than on Monday?
(2,300−1,800)
Jan and Troy spent $72.89 on groceries, and they added $10.50 for extra bags. If Jan pays with $100.00, what change should she receive?
Determine the amount of change Jan should receive.
16.61
For a charity event, Cobi is selling jars of jam. He sold 33 jars of jam. There are 5 jars in each box. How many jars of jam did he sell in total?
165
Which rule is used to generate the pattern below?
4 400 40,000 4,000,000
x100
Lena had 85 yards of fabric for sewing. She used 33.50 yards. How much fabric does she have left?
51.50
Ms. Rivera purchased new appliances for her kitchen and laundry room. For her kitchen, she bought a refrigerator for $2,100, a stove for $1,750, and a microwave for $300. For her laundry room, she bought a washer for $900 and a dryer for $700.
Choose the correct answer for each blank to complete the statement.
To the nearest thousand, Ms. Rivera spent about $
in the kitchen, and about $
in the laundry room.
To the nearest thousand, Ms. Rivera spent about $
more in the kitchen.
4000
2000
600
Lucas and his dad went to the clothing store to buy outfits for his soccer team. They bought 3 jerseys for $45.99 each, a pair of cleats for $59.50, and a water bottle for $9.99.
How much did Lucas and his dad spend at the clothing store?
207.46
During a practice session, Jake held a yoga pose for 8 minutes before losing his balance. He then attempted the pose 12 more times, holding it for 8 minutes each time. How many total minutes did Jake spend holding the pose?
104
Which rule is used to generate the pattern below?
7 70 700 7,000
x10
Mrs. Gutierrez made 5,842 customer calls in one year. The following year she made 10,362 customer calls. How many more customer calls did she make in the second year than in the first?
4,520
Mr. Johnson purchased new equipment for his office and home gym. For his office, he bought a desk for $1,800, a computer for $1,500, and a chair for $400. For his home gym, he bought a treadmill for $1,200 and weights for $600.
Choose the correct answer for each blank
To the nearest thousand, Mr. Johnson spent about $
in the office, and about $
in the home gym.
To the nearest thousand, Mr. Johnson spent about $
more in the office.
4000
2000
1,900
Emma and her aunt went to the toy store to buy gifts for her cousins. They bought 2 toy sets for $34.99 each, a board game for $22.50, and a pack of cards for $7.75.
How much did Emma and her aunt spend at the toy store?
100.23
During a training session, Emma jogged for 10 minutes before taking a break. She then completed 10 more laps, each lasting 10 minutes. How many total minutes did Emma spend jogging?
110
What pattern do these numbers follow?
67 670 6,700 67,000
x10
Kendall and Kylie went to the hardware store and spent $94.75 on supplies. They also added $8.50 for paint. If Jan pays with $120.00, what change should she receive?
Determine the amount of change Kendall should receive
16.75