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Year 5 Spring 2 Maths Challenge

Mrs Latham

Hello Year 5,

This half term’s  Maths Challenge links to our Rivers topic.

Bronze

The River Nile is 4132 miles long – round to the nearest 1000, 100 or 10.

Where are the coldest waters in the world? Find the location of the coldest waters around the world and identify the average temperature. Put the waters in descending order. Remember to label and explain.

Silver

Remember someone will need to drive the boat back to dry land each time to collect the next set of people.

Gold

Research the temperature of the Pacific Ocean and calculate the temperature differences of this throughout the year e.g. the maximum and minimum temperatures.

https://www.seatemperatu.re/seas-and-oceans/pacific-ocean/

Draw this as a line graph.

Write 3 questions you could ask about your line graph.

The Atlantic Ocean covers approximately 106,400,000 square kilometres which is 20% of the Earth’s surface. How many square kilometres is the Earth’s surface?

Write this amount as a decimal and fraction of the Earth’s surface.

26 responses to “Year 5 Spring 2 Maths Challenge”

  1. Muhammad S.

    Bronze:
    4132 Rounded to the nearest 10,100 and 1,000
    4132 rounded to the closest 10 – 4130.
    4132 rounded to the closest 100 – 4100.
    4132 rounded to the closest 1,000 – 4.000.
    The coldest water on Earth is the Antarctic Sea Ice.
    Antarctic – 0.8°C
    Artic – 1.8°C
    Pacific – 3.5°C
    Indian – 22°C
    Atlantic – 27 – 26°C

    Silver:
    1) 2 women leave home and go to the island.
    2) 1 woman comes from the island and comes home.
    3) 1 man leaves home and goes to the island.
    4) 1 woman comes from the island to home.
    5) 2 women go from the island back home.
    6) 1 woman comes back.
    7) 1 man goes from home to the island.
    8) The lady goes back.
    9) 2 ladies go to the island.

  2. Raiyan K.

    Bronze
    The River Nile is 4132 miles long
    Rounding : 4132
    Round to 10 – 4130
    Round to 100 – 4100
    Round to 1000 – 4000

    The coldest rivers and oceans are;
    Antarctic – 0.8*c
    Artic – 1.8*
    Pacific – 3.5*
    Indian – 22*c
    Atlantic – 27 – 29*c
    The coldest water is the Antarctic.
    Silver
    Two women go across and one comes back then one man goes across and one women Comes back.Two women go across and one comes back.one man goes across and one women comes back.Two women go across.
    Gold in my home work book.

  3. Maddox B.

    Bronze
    Rounding to 1000=1132
    Rounding to 100=4132
    Rounding to 10=4112

  4. Billing Karanbir

    Bronze
    The coldest rivers/ocean are .Antarctic -0.8*c
    Artic -1.8*c
    Pacific 3.5*c
    Indian 22*c
    Atlantic 27-29*c
    The coldest water is the artic water. Rounding: 4,132
    Rounded to the nearest 10: 4130
    Rounded to the nearest 100: 4100
    Rounded to the nearest 1000:4000
    Silver.
    The men go at a time then 2 woman go.
    I’ve done it it in my homework book

  5. Zahraa Y.

    Bronze:
    Rounding: 4,132
    Rounded to the nearest 10: 4130
    Rounded to the nearest 100: 4100
    Rounded to the nearest 1000:4000
    —————————————
    The Upper Neretva, Is the coldest river on earth and it is almost certainly the coldest river water j. The world and is often as low as 7 to 8 degrees Celsius in the summer months it flows in Bosnia,Herzegovina and in Croatia it’s total length is known to be 140 miles (Also known as 225km)
    —————————-
    And the coldest water is known as the Antarctic sea ice.
    ———-
    Silver:
    In order for them to cross let 1 Lady drive, the other lady will go on the boat and make it to the island the the lady will go back and get the other two men and take them along leaving everyone safe.
    —————-
    Gold:
    From The research I did this is what I found;
    The deep Zone of the Pacific Ocean which actually contains 80% of the oceans volume Is average temperature is 38.3*F (3.5*C)
    The coldest temperature of the Pacific Ocean is -25.6*C which was observed at Ranfurly in New Zealand on 17 July 1093 and holds the record as the ‘coldest temperature’ (Maybe not now since that was 120 years ago)

    Right now,The Pacific Ocean’s Temperature is 86*F.
    my questions would be:
    1) What is the coldest Temperature of the Pacific Ocean?
    2) What is the Pacific Ocean Temperature now?
    3) what was the Average temperature of the Pacific Ocean?

  6. Bakary

    Bronze
    4132 to the nearest 10 = 4130
    4132 to the nearest 100 = 4100
    4132 to the nearest 1000=4000
    The most cold water in the world is the Antartic water it is under the southern antartic.Antarctic sea ice

    A “supercoolometer”, a device that sounds like it should be used to measure hipsters, has found the coldest seawater on Earth, under Antarctic sea ice.

    Silver
    There is a rock in the picture so the men sit on the rock while the ladies drive and get a bigger boat .

    Gold
    Total area is : 509 600 000
    The decimal is 5.096

  7. Zahra D.

    Bronze-
    4132 rounded to nearest 10 – 4130
    4132 rounded to nearest 100 – 4300
    4132 rounded to nearest 1000 – 4000
    The coldest waters in the world are the Antarctic Ocean. The average temperature is anywhere between -37°C . The second coldest waters are the Southern ocean. The average temperature is -2.
    ______________________________________________________________
    Silver-
    2 women go together.
    1 women comes back.
    1 man goes.
    Second women comes back.
    Both women come together.
    1 women goes back.
    The final men goes.
    The woman comes back.
    Both women go back together.
    —————————————————————————————————————————————————————————————
    Gold-
    I did it in my book.

    1. Zahra D.

      I will bring monday

  8. Isah C.

    Bronze
    4132 nearst 10 is 4130
    4132 nearst 100 is 4100
    4132 nearst 1000 is 4000

    The coldest water in the world is the Antarctica bottom water
    The temperature is 95 o c

    Silver
    You can do 1 men and 1 women and then the sail can come back and take a men and come back and the last person

  9. Aro M.

    Two women could sail on the boat and 2 men could swim and that s the correct answer

  10. Ramarni J.

    Bronze-
    4132 to the nearest 1000- 4000
    4132 to the nearest 100- 4100
    4132 to the nearest 10- 4130
    The first most coldest water in the world is Antarctic sea ice.
    The second most coldest water in the world is Southern Ocea.
    Silver-
    What I would do is let the men go one by one first and then let the lady’s go next but together which would make the process faster and easier.

  11. Noah J-S.

    Bronze
    4130
    4100
    4000
    The coldest waters are in the Antarctic Ocean which very from -0.8*c and 2*c.
    Antarctic -0.8*c
    Artic -1.8*c
    Pacific 3.5*c
    Indian 22*c
    Atlantic 27-29*c
    Silver
    To begin the two women will go first one will go back get off for a man than the man gives boat to the woman who is on the island we will take boat and give it to the other man who will have been on the island so technically they all got to the island.😉
    Gold Order:
    Jan-83.7*F 8.
    Feb-83.7*F 9.
    Mar-84.6*F 10.
    Apr-86.0*F 6.
    May-87.0*F 2.
    Jun-87.2*F 1.
    Jul-86.6*F 3.
    Aug-86.1*F 4.
    Sep-86.2*F 5.
    Oct-86.0*F 7.
    Nov-65*F 11.
    Dec-62*F 12.
    Rest In Homework Book

  12. Retaj Ismail

    Bronze
    The River Nile is 4132 miles long – round to the nearest 1000, 100 or 10.
    10=4130
    100=4100
    1000=4000
    I know because I always remember the rule 5 to 9 go up the line and 0 to 4 stay on the floor.
    The coldest water is the Antartic
    with about 2 Degrees celsius
    silver
    maybe one man could take each person until all of them get to the other side of land.

  13. Xlexben F.

    Bronze
    4132 to the nearest 10 = 4130
    4132 to the nearest 100 = 4100
    4132 to the nearest 1000=4000
    The most coldest water in the world is the Antarctic ocean
    The second coldest waters in the world is the Southern ocean
    Silver
    First thing they have to do is that the men have to go on one by one since the boat can hold only 1 man and then the women can go together since the boat can hold 2 women.
    Gold
    509600000 as a decimal is 509.600000.
    The average water of the Pacific ocean is 38 of
    The highest the Pacific ocean is 87 of
    The coldest of the Pacific ocean is 29 of
    1. What is the coldest the Pacific ocean can go?
    2. What is the temperature of the Pacific ocean in March?
    3. What is the hottest the Pacific ocean can go?

  14. Ammara K.

    Bronze
    4132 rounded to the nearest 1000=4000
    4132 rounded to the nearest 100=4100
    4132 rounded to the nearest 10=4130
    The most coldest waters in the world is the Arctic ocean
    The average temperature is around 10 °C (50 °F).
    Silver
    The 2 women go on the boat and than on another boat a man goes
    The on another boat the other man goes

  15. Awais W.

    Bronze Neretva River
    The Neretva also known as Narenta, is one of the largest rivers of the eastern part of the Adriatic basin. Four HE power-plants with large dams (higher than 150,5 metres) provide flood protection, power and water storage.
    Silver First of all the men have to go one by one since the boat can hold only 1 man.Then the women can go together since the boat can hold 2 women.

  16. Adam J.

    Bronze
    4132 to the nearest 10 = 4130
    4132 to the nearest 100 = 4100
    4132 to the nearest 1000=4000
    The coldest most coldest water in the world is the Antartic water
    The second coldest waters in the world is the Southern ocean

    Silver
    Firstly the men have to go one by one since the boat can hold only 1 man.Then the women can go together since the boat can hold 2 women.

    Gold
    509600000 as a decimal is 509.600000.
    The average water of the Pacific ocean is 38 of
    The highest the Pacific ocean is 87 of
    The coldest of the Pacific ocean is 29 of
    1. What is the coldest the Pacific ocean can go?
    2. What is the temperature of the Pacific ocean in March?
    3. What is the hottest the Pacific ocean can go?

  17. Rayyana M.

    2 woman go first
    1 woman comes back
    Man goes
    2nd woman comes back
    Now both woman go
    1 comes back
    Man goes to the island
    2nd woman comes back
    Both woman go to the island

  18. Elyas A.

    The nile is 4132 and the nearest is 1000
    The upper uteria
    Its the ice grows is -2.6 (27.7F)
    Silver
    Maybe they can hold one woman because womans are fit

    1. Mrs Diaz

      A good try Elyas, well done.

  19. Yunus R.

    Bronze

    1.The coldest water in the world 🌎 is Needed River.And it’s the largest river of the direction east.
    Silver
    The boat can hold one more person that would be a women to success the riding.

  20. Hanfaa N.

    Bronze
    Neretva River
    The Neretva also known as Narenta, is one of the largest rivers of the eastern part of the Adriatic basin. Four HE power-plants with large dams (higher than 150,5 metres) provide flood protection, power and water storage.
    Silver
    You could take one woman

    1. Hanfaa N.

      on the boat that has already went and get the other woman after then you could swim back but make sure you get a life jacket and then the man can come on the boat swap the life jacket and swim while the other two go on the boat and just repeat it.

    2. Tipian I.

      🥉Bronze🥉
      4132 Rounded to the nearest 1000 is 1000
      I know this because , the numbers are all rouding down because it is now higher then 5 .
      4132 Rounded to the nearest 100 132
      If you look at the hundereth , tenth and ones digit they all follow the rounding rule therefore it must be 132.
      4132 rounded to the nearest 10 is 32.
      I know this because the digit is all under 5.
      The coldest waters on the word is located in THE ANTARCTIC its called the Antartic sea ice .It is 3°c of the coast of antatica .
      🥈silver🥈
      Two women could sail on the boat and 2 men could swim

      1. Mrs Habib

        Good try Tipian. You have remembered well, that if it is 5 or more then rounds up. Remember the challenges need to be completed on paper but I will talk you through it. Come and see me on Monday, we can go through the Challenge together.

        1. Tipian I.

          Ok

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