Topic: Number and Operations  >>  Determine when and how to use estimation strategies to solve addition problems.

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289 elementary school students and 120 middle school students wrote letters for a time capsule. Estimate the total number of letters written.
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337 people came to a magic show on Sunday, 212 came on Monday, and 309, on Tuesday. Use front-end estimation to find the total number people came in three days.View Details
Amy had 287 photos in one book and 114 photos in another. Estimate the total number of photos that Amy had.
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Between which two numbers does the estimate of the sum of 418 and 273 lie?View Details
Estimate the sum of 34 and 45.View Details
Estimate the sum.
39 + 48 = ___
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Estimate the sum.
61 + 27 = ___
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Ethan deposited $812 and $582 in a bank in the past two months. Estimate the amount in his account to the nearest hundred.View Details
Find the best way to estimate 104 + 216 + 355.
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Find the sum of 228, 332 and 448 using front-end estimation.
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Gary deposited $812 in his account. Two days later, he depositied again $582. Estimate the final amount in his account. Round it to the nearest hundred.
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How would you estimate 23 + 32 + 54?View Details
In a school, there are 349 girls and 252 boys. About how many students are there in the school?View Details
Jennifer drove 371 miles and George drove 485 miles. About how many miles did they drive all together? Round to the nearest ten.View Details
John collected 34 pens and Edward collected 58 pens. About how many did they collect altogether?View Details
John saved $79. His sister saved $26 more than John. Which is the best estimate of the amount of money that John′s sister had saved?View Details
Johnson traveled 215 miles on Monday and 305 miles the next day. Estimate the total distance he traveled to the nearest hundred.View Details
Johnson traveled 215 miles on Tuesday and 305 miles the next day. Estimate the total distance that Johnson traveled.
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Mathew′s collection has 220 red marbles, 175 green marbles, and 115 yellow marbles. Which is the best estimate of the total number of marbles in his collection?View Details
Matt counted the number of girls and boys in his school. There are 835 boys and 684 girls.
Estimate the total number of students.
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Miller bought appliances for his new home. He bought a stove for $875, furniture for $536, and dryer for $309. Which is the best estimate of the total that he paid for appliances?View Details
Nathan deposited $423 in his bank account last month and he deposited $978 this month. Estimate the total amount that Nathan deposited.
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Paula gave $472 to Rachel and $318 to John. Estimate the total amount that Paula gave to both Rachel and John.
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Roger deposited $6,348 in a bank in the first week. He deposited $3,384 in the second week. Estimate the amount available in the bank to the nearest thousand.
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The distance between City A and City B is 531 miles. Kim drove from City A to City B and then returned to City A. Estimate the total distance he traveled.View Details
Tim scored 466 points and his friend scored 321. About how many points they scored together? Round to the nearest hundred.
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Tim scored 466 points and his friend scored 321. About how many points they scored together?
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Tony deposited $921 and $619 in two banks. Estimate the total amount that he deposited. Round to the nearest hundred.View Details
Which of the following is the best way to estimate 104 + 216 + 355?View Details
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