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Year 5 Maths Challenge Spring 2

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

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

Locate the 3 deepest oceans and calculate the combined depth of these in metres and km.

Then order these oceans by the depth and then by temperature too.

Gold

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?

How many square kilometres is the surface of the earth covered by land? What percentage is this?

Can you order the oceans by square kilometres too?

Good luck Year 5 – Complete your work in your homework books.

22 responses to “Year 5 Maths Challenge Spring 2”

  1. Ahmed O.

    Indian ocean max 30 min 19 avg 25
    pacific ocean max 31 min -1.7 avg 20.4
    Atlantic ocean max29 min-2 avg 8
    Southern ocean max10 min-2 avg 5

  2. Ahmed O.

    4130 mile is rounded to the closest 10.
    4100 is rounded to the nearest 100
    4000 is rounded to the nearest 1000.

  3. Olivier T.

    Silver
    The pacific oceans temperature is Jan (max) 30.1 (min) -1.7. Difference is 31.8
    The pacific oceans temperature is Feb (max) 29.9 (min) -1.8. Difference is 31.7
    The pacific oceans temperature is Mar (max) 30.2 (min) -1.8. Difference is 32.0
    The pacific oceans temperature is Apr (max) 30.2 (min) -1.8. Difference is 32.0
    The pacific oceans temperature is May (max) 30.3 (min) -0.9. Difference is 31.2
    The pacific oceans temperature is June (max)30.3 (min) -1.5. Difference is 31.8
    The pacific oceans temperature is July (max)30.2 (min)-5.6. Difference is 35.8
    The pacific oceans temperature is Aug (max) 31.1 (min) -5.6. Difference is 36.7
    The pacific oceans temperature is Sept (max)30.9 (min)-5.5. Difference is 36.4
    The pacific oceans temperature is Oct (max) 30.2 (min) -3.1. Difference is 33.3
    The pacific oceans temperature is Nov (max) 30.4 (min) -0.3. Difference is 30.7
    The pacific oceans temperature is Dec (max) 30.7 (min) -1.7. Difference is 32.4

  4. Zaynab M.

    Bronze
    Rounded to the nearest 10 is 4130
    Rounded to the nearest 100 is 4100
    Round it to the nearest 1000 is 4000
    Silver
    Indian 22 degrees
    pacific 13.2
    atlantic 3.5
    southern 3 degrees
    pacific 1.8
    Silver
    15.9 c
    pacific
    indian
    southern

  5. Adam O.

    Bronze:
    10=4130
    100=4100
    1000=4000
    • North Sea: 4.9 min, 17.8 max, 11.35 average
    • Antarctic Ocean: -2 min, 10 max, 4 average

    Silver:

    Water temperature of the Pacific Ocean in january – Minimum: -1.7°C/Maximum: 30.1°C. The difference is 31.8
    Water temperature of the Pacific Ocean in february – Minimum: -1.8°C/Maximum: 29.9°C. The difference is 31.7
    Water temperature of the Pacific Ocean in march – Minimum: -1.8°C/Maximum: 30.2°C. The difference is 32
    Water temperature of the Pacific Ocean in april – Minimum: -1.8°C/Maximum: 30.2°C. The difference is 32
    Water temperature of the Pacific Ocean in may – Minimum: -0.9°C/Maximum: 30.3°C. The difference is 31.2
    Water temperature of the Pacific Ocean in june – Minimum: 1.5°C/Maximum: 30.3°C. The difference is 28.8
    Water temperature of the Pacific Ocean in july – Minimum: 5.6°C/Maximum: 30.2°C. The difference is 24.6
    Water temperature of the Pacific Ocean in august – Minimum: 5.6°C/Maximum: 31.1°C. The difference is 25.5
    Water temperature of the Pacific Ocean in september – Minimum: 5.5°C/Maximum: 30.9°C. The difference is 25.4
    Water temperature of the Pacific Ocean in october – Minimum: 3.1°C/Maximum: 30.2°C. The difference is 27.1
    Water temperature of the Pacific Ocean in november – Minimum: -0.3°C/Maximum: 30.4°C. The difference is 30.7
    Water temperature of the Pacific Ocean in december – Minimum: -1.7°C/Maximum: 30.7°C. The difference is 32.4

    Deepest oceans:
    Pacific: 10911 m
    Indian: 7455 m
    Atlantic: 3332 m
    Total: 10911+3332 +7455 = 21698m which is 21.698Km

  6. Arfa S.

    Bronze:

    4132 rounded to the nearest 10 is 4130.
    4132 rounded to the nearest 100 is 4100.
    4132 rounded to the nearest 1000 is 4000.

    Descending order based on the average temperature of ocean water:

    Indian ocean (max) 30 (min) 19 avg 25 C
    pacific ocean (max) 31 (min) -1.7 avg 20.4 C
    Atlantic ocean (max)29 (min)-2 avg 8C
    Southern ocean (max)10 (min)-2 avg 5C
    Artic ocean -2.2

    Silver:

    The pacific oceans temperature is Jan (max) 30.1 (min) -1.7. Difference is 31.8
    The pacific oceans temperature is Feb (max) 29.9 (min) -1.8. Difference is 31.7
    The pacific oceans temperature is Mar (max) 30.2 (min) -1.8. Difference is 32.0
    The pacific oceans temperature is Apr (max) 30.2 (min) -1.8. Difference is 32.0
    The pacific oceans temperature is May (max) 30.3 (min) -0.9. Difference is 31.2
    The pacific oceans temperature is June (max)30.3 (min) -1.5. Difference is 31.8
    The pacific oceans temperature is July (max)30.2 (min)-5.6. Difference is 35.8
    The pacific oceans temperature is Aug (max) 31.1 (min) -5.6. Difference is 36.7
    The pacific oceans temperature is Sept (max)30.9 (min)-5.5. Difference is 36.4
    The pacific oceans temperature is Oct (max) 30.2 (min) -3.1. Difference is 33.3
    The pacific oceans temperature is Nov (max) 30.4 (min) -0.3. Difference is 30.7
    The pacific oceans temperature is Dec (max) 30.7 (min) -1.7. Difference is 32.4

    Gold

    The earth’s surface is 509 600 000 square km
    Earth’s land covers 29.2%, or 149 million km2 of Earth’s surface.
    The artic oceans square killometers is 14.06 million km².
    The atlantic oceans square killometers is 106.5 million km².
    The Indian oceans square killometers is 70.56 million km².
    The southern oceans square killometers is 20.33 million km².
    The pacific oceans square killometers is 165.2 million km².

  7. Arfa S.

    Bronze

    4132 rounded to the nearest 10 is 4130.
    4132 rounded to the nearest 100 is 4100.
    4132 rounded to the nearest 1000 is 4000.

    Descending order based on the average temperature of ocean water:

    Indian ocean (max) 30 (min) 19 avg 25 C
    pacific ocean (max) 31 (min) -1.7 avg 20.4 C
    Atlantic ocean (max)29 (min)-2 avg 8C
    Southern ocean (max)10 (min)-2 avg 5C
    Artic ocean -2.2

    silver

    The pacific oceans temperature is Jan (max) 30.1 (min) -1.7. Difference is 31.8
    The pacific oceans temperature is Feb (max) 29.9 (min) -1.8. Difference is 31.7
    The pacific oceans temperature is Mar (max) 30.2 (min) -1.8. Difference is 32.0
    The pacific oceans temperature is Apr (max) 30.2 (min) -1.8. Difference is 32.0
    The pacific oceans temperature is May (max) 30.3 (min) -0.9. Difference is 31.2
    The pacific oceans temperature is June (max)30.3 (min) -1.5. Difference is 31.8
    The pacific oceans temperature is July (max)30.2 (min)-5.6. Difference is 35.8
    The pacific oceans temperature is Aug (max) 31.1 (min) -5.6. Difference is 36.7
    The pacific oceans temperature is Sept (max)30.9 (min)-5.5. Difference is 36.4
    The pacific oceans temperature is Oct (max) 30.2 (min) -3.1. Difference is 33.3
    The pacific oceans temperature is Nov (max) 30.4 (min) -0.3. Difference is 30.7
    The pacific oceans temperature is Dec (max) 30.7 (min) -1.7. Difference is 32.4

    Gold
    The earths surface is 509 600 000 square km
    Earth’s land covers 29.2%, or 149 million km2 of Earth’s surface.
    The artic oceans square Kilometers is 14.06 million km².
    The Atlantic oceans square Kilometers is 106.5 million km².
    The Indian oceans square Kilometers is 70.56 million km².
    The southern oceans square Kilometers is 20.33 million km².
    The pacific oceans square Kilometers is 165.2 million km².

  8. Muhammad D.

    Maths
    Bronze
    4132 round to the nearest ten would be 4130.
    4132 round to the nearest hundred would be 4100.
    4132 round to the nearest thousand would be 4000.

    The average coldest waters in the world are:
    Indian ocean 25.6
    Pacific Ocean 20.3c
    Atlantic Ocean 15.4c
    Silver
    January minimum -3c. Maximum 31.4c.
    February minimum -2.7c maximum 31.1c.
    March minimum -2.8c maximum 31.5c.
    April minimum -2.9c maximum 31.5c.
    May minimum -3.3c maximum 31.5c.
    June minimum -2c maximum 32.1c.
    July minimum 2.6c maximum 32.c.
    August minimum 5c maximum 32.4c.
    September minimum 3.9c maximum 32.2c.
    October minimum 1.4c maximum 31.9c .
    November minimum -3.2c maximum 31.7c.
    December minimum -2.4c maximum 31.9c.

  9. Sabiha K.

    Gold
    The Earth is covered by509 600 000 square km
    As a percentage 50900%.
    Pacific ocean: 165.2 millionkm2 (16520%)
    Atlantic ocean:106.5 million km2 (10650%)
    Indian ocean:70.56 million km2 (7056%)
    Southern ocean:20.33 million km2 (2033%)
    Arctic ocean:14.056 million km2 (1405.6%)

  10. Sabiha K.

    bronze
    10:4130
    100:4100
    1000:4000
    Indian ocean:22 degrees
    Atlantic ocean:13.2 degrees
    Pacific ocean:3.5 degrees

    silver
    January:
    Minimum:11.2 degrees
    Maximum:20 degrees
    February:
    Minimum:10.3 degrees
    Maximum:14.9 degrees
    March:
    Minimum:10.5 degrees
    Maximum:15.3 degrees
    April:
    Minimum:10.3 degrees
    Maximum:16 degrees
    May:
    Minimum:11.1 degrees
    Maximum:17.2 degrees
    June:
    Minimum:10.9 degrees
    Maximum:18.5 degrees
    July:
    Minimum:11.2 degrees
    Maximum:20 degrees
    August:
    Minimum:11.1 degrees
    Maximum:20.2 degrees
    September:
    Minimum:11.2 degrees
    Maximum:19.5 degrees
    October:
    Minimum:11.3 degrees
    Maximum:18.5 degrees
    November:
    Minimum:11.2
    Maximum: 17.2
    December:
    Minimum:11 degrees
    Maximum:15.9 degrees

    Pacific ocean:
    Kilometers:11.034 km
    Degrees:80 degrees
    Indian ocean:
    Kilomters:8.605 km
    Degrees:86 degrees
    Atlantic:
    Kilomters:8.605 km
    Degrees:31 degrees

    Biggest to smallest is 86,80,31.

  11. Hudayfa A.

    Silver
    3.5° and, 32°
    Gold
    510.1 million square kilometres

  12. Ammar W.

    Bronze
    4132 to the nearest 10 is 4130
    4132 to the nearest 100 is 4100
    4132 to the nearest 1000 is 4000

    The coldest waters in the world are:
    Indian-22 degrees
    Atlantic- 13.2 degrees
    Pacific-3.5 degrees
    Southern-3 degrees
    Arctic-1.8 degrees

    Silver
    January = max = 15.2 degrees = minimum = 4 degrees.
    February = max = 14.9 degrees = minimum = 10.3 degrees .
    March = max = 5.3 degrees = minimum 10.5 degrees.
    April =max = 16 degrees = minimum = 10.3 degrees.
    May = max = 17.2 degrees = minimum = 11.1 degrees.
    June = max = 18.5 degrees = minimum = 10.9 degrees.
    July = max = 20 degrees = minimum = 11.2 degrees.
    August = max = 11.2 degrees = minimum = 11.1 degrees .
    September = max = 19.6 degrees = minimum = 11.2 degrees.
    October = max = 18.5 degrees = minimum = 11.3 degrees.
    November = max = 17. 2 degrees = minimum = 11.2 degrees.
    December = max = 15.9 degrees = 11 degrees.

    Pacific ocean = 11.034 km .
    Indian ocean = 8.605 km .
    Atlantic = 8.605 km .

    Pacific ocean = 80 degrees .
    Atlantic Ocean = 86 degrees.
    Indian ocean = 31 degrees.

    Biggest to Smallest

    86,80,31 degrees

  13. Hudayfa A.

    Bronze
    4132 rounded by the nearest 10 is 4130
    4132 rounded by the nearest hundred is 4100
    4132 rounded by the nearest thousand is 4000

    Arctic Ocean and Pacific, they are both under 10°

  14. Sayda A.

    Bronze
    the river nile is 4123 km round to the nearest 10 is = 4130 because the tenths columm is 2 1234 round down 56789 clime the vine so round to the nearest 10 is 4130 .
    4123 round to nearest 100 is = 4100 because of the tenth so now we know were rounding down .
    4123 round to the nearest 1000 is = 4000 because rounding down to thousand is 4000
    1 southern ocean the tempuratuers is 33 .4-35 .6*f \ 0. 8-2*c
    2 artic ocean the tempuratuers is 1. 8 degerest ceulise
    3 pacfic ocean the tempuratures is 3.5 degrees ceuliseus
    silver

  15. Simra S.

    BRONZE
    ——–
    4132 to the nearest 10 is 4130.
    4132 to the nearest 100 is 4100.
    4132 to the nearest 1000 is 4000.

    The coldest waters in the world are.
    Indian ocean = 22 degrees.
    Atlantic Ocean = 13.2 degrees.
    Pacific Ocean = 3.5 degrees.

    SILVER
    ——-
    The differences of the temperature throughout the year of the Pacific Ocean –

    January = max = 15.2 degrees = minimum = 4 degrees.
    February = max = 14.9 degrees = minimum = 10.3 degrees .
    March = max = 5.3 degrees = minimum 10.5 degrees.
    April =max = 16 degrees = minimum = 10.3 degrees.
    May = max = 17.2 degrees = minimum = 11.1 degrees.
    June = max = 18.5 degrees = minimum = 10.9 degrees.
    July = max = 20 degrees = minimum = 11.2 degrees.
    August = max = 11.2 degrees = minimum = 11.1 degrees .
    September = max = 19.6 degrees = minimum = 11.2 degrees.
    October = max = 18.5 degrees = minimum = 11.3 degrees.
    November = max = 17. 2 degrees = minimum = 11.2 degrees.
    December = max = 15.9 degrees = 11 degrees.

    Pacific ocean = 11.034 km .
    Indian ocean = 8.605 km .
    Atlantic = 8.605 km .

    Pacific ocean = 80 degrees .
    Atlantic Ocean = 86 degrees.
    Indian ocean = 31 degrees.

    Biggest to Smallest ….

    86,80,31 degrees…

    GOLD
    ——
    Earth’s surface is 532000000 km2 , I know this because the Atlantic ocean covers 20% of the Earth’s surface and 20% * 5 = 100% so the whole Earth could be 100% .
    Know we have to times 106400000 and 5 which gives me 532000000km.

    I think the earth covered by land is 149000000 and in percentage it will be 28.007%.

    Arctic = 14.05 million km2.
    Indian = 70.56 million km2.
    Pacific = 165.2 million km2 .
    Atlantic = 106.5 million km2 .
    Southern = 20.33 million km2.

    Smallest to Lardest …
    14.05,20.33,70.56,106.52,165.3 …

    1. Miss Novsarka

      Simra, challenges should be done in your homework book.

  16. Simra S.

    BRONZE
    ——–
    The nearest 10 is 4130.
    The nearest 100 is 4100.
    The nearest 1000 is 4000.

    The coldest water in the world are..
    Indian ocean = 22 degrees .
    Atlantic ocean = 13.2 degress.
    Pacific ocean = 3.5 degrees .

    SILVER
    ——-
    January = max = 15.2 degrees = minium = 4 degrees .
    February = max = 14.9 degrees = minium = 10.3 degrees .
    March = max = 5.3 degrees = minium 10.5 degrees .
    Aprial =max = 16 degrees = minium = 10.3 degrees.
    May = max = 17.2 degrees = minium = 11.1 degrees.
    June = max = 18.5 degrees = minium = 10.9 degrees .
    July = max = 20 degrees = minium = 11.2 deagrees .
    Agust = max = 11.2 degrees = minium = 11.1 degrees .
    Septumber = max = 19.6 degrees = minium = 11.2 degrees .
    Octumber = max = 18.5 degrees = minium = 11.3 degrees .
    November = max = 17 . 2 degrees = minium = 11.2 degrees .
    December = max = 15.9 degrees = 11 degrees .

    Pacific ocean = 11.034 km .
    Indian ocean = 8.605 km .

  17. Manha S.

    Bronze
    4132 to the nearest 10 is 4130
    4132 to the nearest 100 is 4100
    4132 to the nearest 1000 is 4000

    The coldest waters in the world are:
    Indian-22 degrees
    Atlantic- 13.2 degrees
    Pacific-3.5 degrees
    Southern-3 degrees
    Arctic-1.8 degrees
    ———————————————
    Silver
    January:
    Min- 11.2 degrees
    Max- 20 degrees
    February:
    Min- 10.3 degrees
    Max- 14.9 degrees
    March:
    Min- 10.5 degrees
    Max-15.3 degrees
    April:
    Min- 10.3 degrees
    Max- 16 degrees
    May:
    Min-11.1 degrees
    Max- 17.2 degrees
    June:
    Min-10.9 degrees
    Max- 18.5 degrees
    July:
    Min- 11.2 degrees
    Max- 20 degrees
    August:
    Min- 11.1 degrees
    Max- 20.2 degrees
    September:
    Min- 11.2 degrees
    Max- 19.5 degrees
    October:
    Min-11.3 degrees
    Max- 18.5 degrees
    November:
    Min- 11.2
    Max 17.2
    December:
    Min- 11 degrees
    Max- 15.9 degrees

    The Pacific Ocean in 11.034 km or 11034 m
    The Atlantic Ocean is 8.605 km or 8605 m
    The Indian Ocean is 7.258 km or 7258 m
    If we add them all together it will be 26896 m 🌊

    Gold
    ——————————————————
    The Earth’s surface is 532,000,000 square kilometres (532 million km2).

    The land is about 149,000,000 square kilometres (149 km2).The percentage is 28.007%.

    Pacific- 165.2 million km2
    Atlantic-106.5 million km2
    Indian- 70.56 million km2
    Southern-20.33 million km2
    Arctic- 14.056 million km2
    I have arranged them in descending order.

    1. Manha S.

      My silver is different in the book because I did it wrong on the blog..

    2. Miss Novsarka

      Manha, please make sure challenges are completed in your homework book next time.

  18. Ravi P.

    Bronze
    if we round to the nearest 1000 the Nile river is 4132 KM it would be 4000 because 4 or lower stay on the ground 5 or higher go up the line
    deep dive
    the coldest river in the world is not located in the south or north pole it is located in Europe it is in the Neretva River ( also know as the Narenta) which flows through Bosnia and Herzegovina Crotia
    with a length about of 230 KM

    Silver

    Pacific Ocean km 10,911 temp is 38.3*F
    Atlantic Ocean km 8,376 temp is 86*F
    india Ocean km 7,258 temp 82*F

    Atlantic Ocean 86 F
    india ocean 82 F
    Pacific ocean 38.3 F

    10,911
    + 8,376
    +7,258
    1 7 5 4 5

    38*3
    82*F
    86*F
    206*3

    1. Miss Novsarka

      Daniel, you need to round 4132 to the nearest 1000, 100 and 10.

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