# Topic 3: Operations With Decimals Review: Question Preview (ID: 28499)

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Place the decimal point in the product. 1.23 × 7.8 = |
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a) 9.594 | b) 95.94 | c) 959.4 | d) 9594 | |

Each piece of fencing is 1.78 feet wide. Mrs. Kim wants to fence her flower garden which has a total perimeter of 43.58 feet. About how many pieces of fencing does she need? |
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a) 24 | b) 23 | c) 22 | d) 21 | |

Student admission to the zoo is $15.55 per person. What is the best estimate of the cost of admission for 9 students? |
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a) $144 | b) $135 | c) $180 | d) $172 | |

Which is the best estimate for $65.08 divided by $4.97? |
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a) 11 | b) 12 | c) 13 | d) 14 | |

Estimate 54.08 divided by 6.12 using compatible numbers. |
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a) 8 | b) 9 | c) 6 | d) 7 | |

Juan threw a ball 0.0785 km. Steven threw a ball 0.049 km. How much further did Juan throw the ball than Steven? |
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a) 0.0145 | b) 0.0295 | c) 0.0744 | d) 0.0044 | |

Which is the best estimate for 49.59 x 6.33? |
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a) 420 | b) 300 | c) 275 | d) 355 | |

Find the difference. 6.54 – 3.88 = |
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a) 2.77 | b) 2.76 | c) 2.67 | d) 2.66 | |

Remy bought a bottle of water with a volume of 0.56 L. After Remy drank some of the water there was 0.17 L left. How much water did Remy drink? |
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a) 0.11 L | b) 0.39 L | c) 0.41 L | d) 0.0 L | |

Find the sum. 6.7 + 3.78 = |
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a) 9.98 | b) 9.48 | c) 10.48 | d) 10.15 | |

Samantha measured the height of her plant to be 0.248 centimeters. Rebecca’s plant measured 0.354 centimeters. How much greater was Rebecca’s plant’s height than Samantha’s. |
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a) 0.106 | b) 0.114 | c) 0.014 | d) 0.112 | |

Manuel hiked the Yellow Trail (1.02 miles) and the Blue Trail (1.86 miles). Estimate the distance he hiked by rounding each distance to the nearest tenth. |
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a) 3.0 miles | b) 2.8 miles | c) 2.9 miles | d) 3.1 miles | |

Patrick went out to lunch. He ordered a salad ($3.75), sandwich($5.00), and drink($1.99). About how much did he spend on food? |
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a) $10 | b) $11 | c) $12 | d) $13 | |

Estimate the sum of 4.32 + 9.49 by rounding each addend to the nearest whole number. |
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a) 13 | b) 15 | c) 14 | d) 12 | |

Estimate the sum of 2.31 + 5.67 by rounding each addend to the nearest tenth. |
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a) 8.11 | b) 7.98 | c) 7.9 | d) 8.0 | |

92.2 – ____ is about 64. Which decimal, rounded to the nearest whole number, makes the equation true? |
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a) 29.5 | b) 30.7 | c) 27.6 | d) 28.9 | |

Brianne takes 4.75 minutes to bike around the block. How long does it take Brianne to bike 11 times around the block? |
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a) 63.26 minutes | b) 52.25 minutes | c) 63.26 minutes | d) 53.25 minutes | |

Find the product. 3.68 × 19.7 = |
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a) 57.49 | b) 72.496 | c) 7,249.6 | d) 724.96 | |

Find the product. 3.65 × 154 = |
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a) 462.24 | b) 5,621.0 | c) 562.1 | d) 56.21 | |

Shay earns $9.00 an hour. How much will she earn for working 6.5 hours? |
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a) $58.00 | b) $58.50 | c) $585.50 | d) $54.50 | |

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