**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. | View Details |

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. | View Details |

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 = ___ | View Details |

Estimate the sum. 61 + 27 = ___ | View Details |

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 | View Details |

Find the sum of 228, 332 and 448 using front-end estimation. | View Details |

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. | View Details |

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. | View Details |

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. | View Details |

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. | View Details |

Paula gave $472 to Rachel and $318 to John. Estimate the total amount that Paula gave to both Rachel and John. | View Details |

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. | View Details |

The distance between | View Details |

Tim scored 466 points and his friend scored 321. About how many points they scored together? Round to the nearest hundred. | View Details |

Tim scored 466 points and his friend scored 321. About how many points they scored together? | View Details |

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 | View Details |

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