三年级数学期中综合检测卷

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Questions and Answers

If an eraser is approximately 8 what, what unit of measurement would best fill in the blank?

  • decimeters
  • millimeters (correct)
  • meters
  • kilometers

What is the place value of the digits in the product of $45 \times 60$?

  • Three digits, ending with one zero.
  • Two digits, ending with one zero.
  • Three digits, ending with two zeros. (correct)
  • Two digits, ending with two zeros.

If it is currently May, what number of months is equivalent to 2 years?

  • 36
  • 48
  • 24 (correct)
  • 12

What year was the year of the dragon, if the year was a leap year consisting of a total of 366 days?

<p>Leap year (A)</p> Signup and view all the answers

If a flower shop sells approximately 38 bunches of carnations, with each bunch holding 11 flowers, which of the estimates would be closest to the total amount of carnations sold?

<p>400 (C)</p> Signup and view all the answers

In which direction is the school located relative to Xiaoming's home?

<p>Northeast (C)</p> Signup and view all the answers

A river flows from west to east. If a school of fish swims against the current, which direction would their heads be pointing?

<p>West (A)</p> Signup and view all the answers

If Qingqing starts reading a book at 6:30 PM and reads for 40 minutes, what time does she finish reading?

<p>7:10 PM (B)</p> Signup and view all the answers

Which statement is true about an estimation?

<p>An estimation is a rough calculation or educated guess of the value or quantity. (D)</p> Signup and view all the answers

Given that Xiaohong is northeast of Mingming, which direction is Mingming from Xiaohong?

<p>Southwest (D)</p> Signup and view all the answers

In the vertical calculation of $38 \times 54$, what value is being calculated when computing 5 times 3?

<p>$50 \times 30$ (C)</p> Signup and view all the answers

If July 5th is the first day of summer vacation and September 1st is the first day of school, how many days does summer vacation last?

<p>58 (D)</p> Signup and view all the answers

If a kite is flying towards the southwest, which direction is the wind blowing?

<p>Northeast (A)</p> Signup and view all the answers

Given that Teacher's Day in 2022 falls on a Saturday, what day of the week is National Day?

<p>Saturday (D)</p> Signup and view all the answers

If Dongdong walks approximately 75 meters per minute, how many kilometers does he walk from home to the park in about 40 minutes?

<p>3 (D)</p> Signup and view all the answers

What prior calculation is needed when solving how many books were purchased if a school places newly purchased books onto 4 bookshelves with 2 shelves each that holds 24 books?

<p>The total number of shelves (A)</p> Signup and view all the answers

If the distance between the first and twelfth tree is being calculated on a road planted on only oneside with an 8 meter seperation - what is the total distance in meters?

<p>88 (D)</p> Signup and view all the answers

If 700 people needed to travel and one bus can carry a total of 62 people, can 11 buses transport everyone at once?

<p>No, since 11 buses cannot transport everyone. (C)</p> Signup and view all the answers

A car departs from City A at 7:00 AM and arrives in City B at 9:00 PM, traveling 90 kilometers per hour. What is the distance between City A and City B?

<p>1080 kilometers (A)</p> Signup and view all the answers

Based on the book reading of Minming, who read the most and lease amount?

<p>Pop books &amp; Literature (C)</p> Signup and view all the answers

Flashcards

Millimeter (mm)

Unit for measuring thickness of objects.

Meter (m)

Unit for measuring height of objects.

Kilometer (km)

Unit for measuring speed/distance.

Leap Year

A leap year has 366 days.

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Multiplying by Multiples of 10

Multiply the numbers, adding the zeros.

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Calculate 5 x 3

Multiply the first number by 50.

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Calculating time

Calculate how much time has passed.

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Wind direction

The direction is determined by the wind.

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How do you calculate area?

Multiply the length by width.

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What is Estimation?

Number facts that support estimates.

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What is Southwest?

The opposite direction

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Product of length and width?

Finding the area of a rectangle.

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Study Notes

  • 这些笔记是关于三年级数学期中综合检测卷的
  • 包括填空题、判断题、选择题、计算题和应用题

填空题

  • 合适的单位:橡皮厚约8毫米,树高约15米,每小时行20千米,课本长约25厘米
  • 45×60的积是四位数,积的末尾有2个0
  • 700厘米=7米,50米=500分米,2年=24个月,48时=2日,960毫米=96厘米,2千米800米=2800米
  • 2000年是龙年,是闰年,全年有366天,2022年是虎年
  • 花店大约卖出38束康乃馨,每束有11枝,大约卖出400枝康乃馨
  • 商场在小明家的北面,医院在小明家的东北方向
  • 小明去学校要先向东走,再向南走
  • 一条小河从西向东流,一群鱼逆流而上,鱼头朝着西面
  • 青青晚上6:30开始看课外书,共用了40分钟,她看完书的时间是7:10,青青21:00上床睡觉,第二天早上7:00起床,她一共睡了10小时

判断题

  • 12×2的积一定是三位数错误
  • 估算的结果都比实际计算的结果大错误
  • 每年的七、八月一共有62天正确
  • 40毫米长的铁丝比5厘米长的铁丝长错误
  • 小红在明明的东北方向,则明明在小红的西南方向正确

选择题

  • 在列38×54的竖式时,计算5×3,实际是计算5×30
  • 实验小学7月5日开始放暑假,9月1日开学,暑假一共放了58天
  • 小丽在放风筝时,风筝向西南方向飘去,当时的风向是东北风
  • 2022年的教师节是星期六,这一年的国庆节是星期六
  • 东东从家到公园大约走了40分钟,东东家到公园大约是3千米

计算题

  • 直接写出得数:80×90=7200,88×19≈1800,40×25=1000,30×40=1200 80×70=5600,22×30=660,37×12≈400,40×15=600
  • 竖式计算:需要计算34×52,16×50,45×26
  • 脱式计算:需要计算34×2×25,35×(279-188),850-32×17

应用题

  • 棋子跳动:根据描述的方向和格子数,确定棋子最终位置
  • 旅行社:判断11辆车是否能一次运走700人
  • 汽车:计算甲乙两城相距多少千米
  • 学校购书:计算学校新购进多少本图书
  • 环保局植树:计算植树问题
  • 明明读书:阅读材料,整理成统计表并解答问题

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