Title: Estimate Sums and Differences
Course: quiz duplicate error

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 600,000 (incorrect)
- Correct. Estimate: 700,000 (incorrect)
- Incorrect. Estimate: 500,000 (correct)
- Incorrect. Estimate: 400,000 (incorrect)
A: Incorrect. Estimate: 500,000

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 200,000 (incorrect)
- Correct. Estimate: 300,000 (correct)
- Incorrect. Estimate: 400,000 (incorrect)
- Incorrect. Estimate: 100,000 (incorrect)
A: Correct. Estimate: 300,000

Q: Solve the problem by estimating.

Mike travelled for 4 weeks in South America last year and spent $1812 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred.
- $70 (incorrect)
- $60 (correct)
- $600 (incorrect)
- $700 (incorrect)
A: $60

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 1900 (incorrect)
- Incorrect. Estimate: 2100 (incorrect)
- Incorrect. Estimate: 2200 (incorrect)
- Incorrect. Estimate: 2000 (correct)
A: Incorrect. Estimate: 2000

Q: Solve the problem by estimating.

Andy wants to buy a refrigerator for $899, a stove for $459, and a dishwasher for $249. Round each cost to the nearest hundred to estimate the total cost.
- $1700 (incorrect)
- $1500 (incorrect)
- $1600 (correct)
- $1400 (incorrect)
A: $1600

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 120 (incorrect)
- 40 (correct)
- 46 (incorrect)
- 50 (incorrect)
A: 40

Q: Solve the problem by estimating.

As part of her preparation for volleyball tryouts, Georgia did 57 sit-ups each day for 51 days. Estimate how many sit-ups she did during that period. Round the number of sit-ups and the number of days to the to the nearest ten.
- 1000 (incorrect)
- 30,000 (incorrect)
- 10,000 (incorrect)
- 3000 (correct)
A: 3000

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 5000 (incorrect)
- 5237 (incorrect)
- 5300 (correct)
- 5200 (incorrect)
A: 5300

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 3424 (incorrect)
- 3430 (correct)
- 3420 (incorrect)
- 3400 (incorrect)
A: 3430

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 2500 (incorrect)
- Incorrect. Estimate: 2300 (correct)
- Incorrect. Estimate: 2100 (incorrect)
- Incorrect. Estimate: 2400 (incorrect)
A: Incorrect. Estimate: 2300

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 2500 (incorrect)
- Incorrect. Estimate: 2300 (correct)
- Correct. Estimate: 2100 (incorrect)
- Incorrect. Estimate: 2400 (incorrect)
A: Incorrect. Estimate: 2300

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 418 (incorrect)
- 420 (incorrect)
- 410 (correct)
- 400 (incorrect)
A: 410

Q: Solve the problem by estimating.

A local sandwich shop sells 244 sandwiches on an average day. Estimate how many sandwiches they sold in the last 138 days. Round the number of sandwiches and the number of days to the nearest ten.
- 336,000 (incorrect)
- 33,600 (correct)
- 337,000 (incorrect)
- 33,700 (incorrect)
A: 33,600

Q: Solve the problem by estimating.

As part of her preparation for lacrosse tryouts, Eunice did 74 push-ups each day for 66 days. Estimate how many push-ups she did during that period. Round the number of push-ups and the number of days to the to the nearest ten.
- 4900 (correct)
- 13,000 (incorrect)
- 1300 (incorrect)
- 49,000 (incorrect)
A: 4900

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 736 (incorrect)
- 1000 (incorrect)
- 700 (incorrect)
- 800 (correct)
A: 800

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 377 (incorrect)
- 380 (incorrect)
- 400 (incorrect)
- 390 (correct)
A: 390

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 2700 (correct)
- 2600 (incorrect)
- 2640 (incorrect)
- 2637 (incorrect)
A: 2700

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 2200 (incorrect)
- Incorrect. Estimate: 2000 (incorrect)
- Correct. Estimate: 2100 (correct)
- Incorrect. Estimate: 2300 (incorrect)
A: Correct. Estimate: 2100

Q: Solve the problem by estimating.

The Pan family took a trip and traveled 365, 349, 839, 698, and 460 miles on 5 consecutive days. Round each distance to the nearest hundred and estimate the distance they traveled.
- 2800 miles (incorrect)
- 2700 miles (correct)
- 2600 miles (incorrect)
- 2900 miles (incorrect)
A: 2700 miles

Q: Solve the problem by estimating.

Don travelled for 6 weeks in Asia last year and spent $2364 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred.
- $60 (correct)
- $600 (incorrect)
- $700 (incorrect)
- $70 (incorrect)
A: $60

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 500,000 (correct)
- Incorrect. Estimate: 400,000 (incorrect)
- Correct. Estimate: 700,000 (incorrect)
- Incorrect. Estimate: 600,000 (incorrect)
A: Incorrect. Estimate: 500,000

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 60 (incorrect)
- 61 (incorrect)
- 70 (correct)
- 110 (incorrect)
A: 70

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 2052 (incorrect)
- 2100 (incorrect)
- 2050 (incorrect)
- 2060 (correct)
A: 2060

Q: Solve the problem by estimating.

The Pan family took a trip and traveled 465, 449, 539, 798, and 760 miles on 5 consecutive days. Round each distance to the nearest hundred and estimate the distance they traveled.
- 3100 miles (incorrect)
- 3200 miles (incorrect)
- 2900 miles (incorrect)
- 3000 miles (correct)
A: 3000 miles

Q: Solve the problem by estimating.

Linda scored 82, 65, 70, 88, 74, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score.
- 460 (incorrect)
- 490 (incorrect)
- 470 (incorrect)
- 480 (correct)
A: 480

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 300 (incorrect)
- 260 (incorrect)
- 200 (correct)
- 1200 (incorrect)
A: 200

Q: Solve the problem by estimating.

The population of Capital City is 8,175,831 and the population of Spring City is 1,722,652. Round each population to the nearest hundred-thousand to estimate how much larger Capital City is than Spring City.
- 6,453,000 (incorrect)
- 6,600,000 (incorrect)
- 6,500,000 (correct)
- 6,400,000 (incorrect)
A: 6,500,000

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 9000 (incorrect)
- 9100 (incorrect)
- 9121 (incorrect)
- 9200 (correct)
A: 9200

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Correct. Estimate: 300,000 (correct)
- Incorrect. Estimate: 100,000 (incorrect)
- Incorrect. Estimate: 400,000 (incorrect)
- Incorrect. Estimate: 200,000 (incorrect)
A: Correct. Estimate: 300,000

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 700 (incorrect)
- 164 (incorrect)
- 200 (incorrect)
- 100 (correct)
A: 100

Q: Solve the problem by estimating.

The population of Capital City is 8,175,831 and the population of Spring City is 2,232,652. Round each population to the nearest hundred-thousand to estimate how much larger Capital City is than Spring City.
- 6,000,000 (correct)
- 6,100,000 (incorrect)
- 5,900,000 (incorrect)
- 5,943,000 (incorrect)
A: 6,000,000

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 300 (correct)
- 244 (incorrect)
- 200 (incorrect)
- 1500 (incorrect)
A: 300

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 160 (correct)
- 200 (incorrect)
- 165 (incorrect)
- 170 (incorrect)
A: 160

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 100 (incorrect)
- 130 (incorrect)
- 120 (correct)
- 127 (incorrect)
A: 120

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 320 (correct)
- 300 (incorrect)
- 327 (incorrect)
- 330 (incorrect)
A: 320

Q: Estimate the sum or difference by rounding each number to the nearest ten.

[Image]
- 227 (incorrect)
- 220 (correct)
- 230 (incorrect)
- 200 (incorrect)
A: 220

Q: Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.

[Image]
- Incorrect. Estimate: 2400 (incorrect)
- Incorrect. Estimate: 2300 (incorrect)
- Incorrect. Estimate: 2100 (incorrect)
- Correct. Estimate: 2200 (correct)
A: Correct. Estimate: 2200

Q: Solve the problem by estimating.

Andy wants to buy a refrigerator for $999, a stove for $859, and a dishwasher for $349. Round each cost to the nearest hundred to estimate the total cost.
- $2000 (incorrect)
- $2200 (correct)
- $2100 (incorrect)
- $2300 (incorrect)
A: $2200

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 1900 (incorrect)
- 1920 (incorrect)
- 1922 (incorrect)
- 1800 (correct)
A: 1800

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 4400 (correct)
- 4300 (incorrect)
- 4338 (incorrect)
- 4000 (incorrect)
A: 4400

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 2100 (correct)
- 2000 (incorrect)
- 2021 (incorrect)
- 2020 (incorrect)
A: 2100

Q: Solve the problem by estimating.

Linda scored 92, 65, 90, 98, 84, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score.
- 540 (incorrect)
- 520 (incorrect)
- 510 (incorrect)
- 530 (correct)
A: 530

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 11,629 (incorrect)
- 11,600 (incorrect)
- 11,700 (correct)
- 12,000 (incorrect)
A: 11,700

Q: Estimate the sum or difference by rounding each number to the nearest hundred.

[Image]
- 2300 (correct)
- 2200 (incorrect)
- 2176 (incorrect)
- 2180 (incorrect)
A: 2300

Q: Solve the problem by estimating.

A local hot dog stand sells 188 hotdogs on an average day. Estimate how many hotdogs they sold in the last 131 days. Round the number of hotdogs and the number of days to the nearest ten.
- 24,700 (correct)
- 24,800 (incorrect)
- 248,000 (incorrect)
- 247,000 (incorrect)
A: 24,700