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Year 4 Maths Challenge – Spring 1 2024

Mrs Khaliq

Here is a plan for a new zoo that will be opening in 2024.

Bronze

Calculate the perimeter for the following animal enclosures in squares and ensure you show the calculations.

Example:

The koala enclosure perimeter is 3 +8+3+8=22 squares

What is the perimeter of these enclosures?

  1. Panda
  2. Giraffe
  3. Penguins
  4. Rhino
  5. Snake

Silver

Which animal has the enclosure with the longest perimeter?

Which animal has the enclosure with the shortest perimeter?

Gold

Each square on the plan is equivalent to 1 metre.

Platinum

You have been asked to design a new zoo for the community! You have been given specific building requirements to follow. Make sure you use squared paper and a ruler!

Each enclosure has 4 sides and here are the measurements in squares. Calculate the perimeter for the animals and draw the enclosures ensuring you label them.

You need to plan out the second row of enclosures and write your chosen perimeters and calculations.

Bring your completed zoos with perimeter measurements into school.

81 responses to “Year 4 Maths Challenge – Spring 1 2024”

  1. Javishan R.

    Bronze: Panda: 5+7+5+7=24 Giraffe: 3+9+3+9=24 Penguin: 5-10+5+10=30 Rhino: 4+12+4+12=32 Snake: 6+3+6+3=18

    Silver: The animal that has the longest perimeter is the rhino because it has a perimeter of 32. The animal that has the shortest perimeter is the snake because it has a perimeter of 18.

    Gold: Alex is incorrect because the elephant has a meter of 20m(2000cm)and the parrot has a meter of16m(1600cm)and 20m is bigger than 16m so the elephant has the biggest meter and the parrot doesn’t.

  2. Javishan R.

    Bronze:
    Panda: 5+7+5+7=24
    Giraffe: 3+9+3+9=24
    Penguin: 5-10+5+10=30
    Rhino: 4+12+4+12=32
    Snake: 6+3+6+3=18
    Silver:
    The animal that has the longest perimeter is the rhino because it has a perimeter of 32.
    The animal that has the shortest perimeter is the snake because it has a perimeter of 18.
    Gold:
    Alex is incorrect because the elephant has a meter of 20m(2000cm)and the parrot has a meter of16m(1600cm)and 20m is bigger than 16m so the elephant has the biggest meter and the parrot doesn’t.

    1. Mrs Jones

      Good work. Please check your answer for silver.

  3. Ebeid M.

    Bronze
    1. The perimeter for the panda is 7+5+7+5=24spuares.
    2.The perimeter of the girrafe is 9+3+9+3)=24squares.
    3.The perimeter of the snake is 6+3+6+3=18squares
    4.Rhino =4+12+4+12=32squares
    5.penguins=5+10+5+10=30spuares.

    Silver
    The Rhino has the longest enclosure. The snake has the shortest enclosure.
    Gold

    Alex is wring because 1600 cm is 16m. Mo is also wrong because 2400cm is 24 metres not 22m.

    1. Mrs Jones

      Well done. Please check your answer for silver.

  4. Hamza M.

    Bronze:
    1. The perimeter for the panda is 7+5+7+5=24 squares.
    2. The perimeter for the giraffe is 9+3+9+3=24 squares.
    3. The perimeter for the penguin is 5+10+5+10=30 squares.
    4. The perimeter for the rhino is 4+10+4+10=28 squares.
    5. The perimeter for the snake is 3+6+3+6=18 squares.
    Silver:
    The biggest perimeter is the Zebra.
    The smallest perimeter is the snake.
    Gold:
    Mo is correct because the walrus is 22m and 2400 is equal to 24m.24m is more than 22m.
    However Alex is incorrect. I know this because the parrot has the perimeter of 1600 which is equivalent to 16m.She said that it is bigger than the elephant enclosure which is 20m. So that’s how I know that Alex is incorrect.

    1. Mrs Jones

      Well done. Please check your answers for the rhino and for your silver challenge.

  5. Hadiya M.

    Bronze:
    Panda 5+7+5+7=24 squares
    Giraffe 9+3+9+3=24 squares
    Penguins 5+10+5+10=30 squares
    Rhino 12+4+12+4=32 squares
    Snake 3+6+3+6=18 squares
    Silver:
    the largest enclosure is The Rhinos and
    The smallest enclosure is The snakes.
    Gold:
    Alex is wrong because 1600 cm is 16m and 16 is smaller than 20m and the elephant the enclosure is 25m big.
    Mo is correct because the walrus permiter in meters is 22 and in cm it is 2200 cm. The elephant for Mo’s working is also correct.🤗

    1. Miss Begum

      Excellent work Hadiya!

  6. Nabiha I.

    Bronze 1. Panda 7×5=35 2.Giraffe 9×3=27 3.Penguin 5+5+5+5+5+5+5+5+10=50 4.Rhino 16+8+4+20=48 5.Snake 3+3+6+6=18 Silver The biggist is the penguin and the smallest is the snake.

  7. Muhammed H.

    bronze
    panda is 5+7+5+7=24
    giraffe is 9+3+3+9=24
    penguin is 10+10+5+5=30
    rhino is 12+12+4+4=32
    snake is 3+8+8+3=18
    silver
    the rhino has the biggest perimeter
    the snake has the smallest perimeter

  8. Emil D.

    Silver
    The animal with the longest perimeter is the zebra.
    The animal with the shortest perimeter is the turtle.
    Gold
    Mo is correct because he said 22m is less than 2400cm and because 1m=100cm that means 2400cm is 24m.
    Alex is wrong because she said 1600cm is bigger than 20m but 1m=100cm so that means 20m is 2000cm which is bigger than 1600cm so she is wrong.

  9. Havin A.

    Panda 5+5+7+7=24 squares
    Girrafe 3+3+9+9=24 squares
    Penguins 5+10+5+10=30 squares
    Rhino 12+12+4+4 =32 squares
    Snake 3+3+8+8=18 squares
    Silver
    The rhino has the biggest perimeter
    The smallest perimeters is snake 🐍 .

    1. Mrs Jones

      Great work Havin👍 please check your answers for silver.

  10. Adrian O.

    Bronze:
    Panda 5+7+5+7=24 squares
    Giraffe 9+3+9+3=24 squares
    Penguins 5+10+5+10=30 squares
    Rhino 12+4+12+4=32 squares
    Snake 3+6+3+6=18 squares

    Silver:
    The animal with the longest perimeter is Tiger
    The animal with the shortest perimeter is Snake

    Gold:
    Mo is correct because there are 100 cm in 1 metre and 1000 cm in 10 so 24 metres is equal to 2400 cm. The parrot enclosure is actually 1500 cm not 1600.

    Platinum:
    Tiger 3+5+3+5 = 16
    Giraffe 2+10+2+10=24
    Lion 7+3+7+3=20
    Penguin 5+5+5+5=20
    Turtle 2+3+2+3=10
    Gorilla 6+3+6+3=18
    Monkey 10+1+10+1=22

    Done 😃.

    1. Miss Begum

      Excellent work Adrian 👍

  11. Ranj M.

    Bronze
    Rhino = 4+12+4+12 = 32
    Panda = 7+5+7+5 = 24
    Giraffe = 3+9+3+9 = 24
    Penguins = 5+10+5+10 = 30
    Snake = 6+3+6+3 = 18
    Silver
    The enclosure that is the largest is the Rhino’s enclosure.
    The enclosure that is the smallest is the Snake’s enclosure.
    Gold
    Alex is wrong because 1600 cm is 16m and 16 is smaller than 20m and the elephant the enclosure is 25m big
    Mo is correct because the walrus premiter in meters is 22 and in cm it is 2200cm.The elephant for Mo’s working is also correct.

    1. Miss Begum

      Well done Ranj 👏

  12. Sumayyah A.

    BRONZE
    Panda is 7+5+7+5=24
    Giraffe is 9+3+9+3=24
    Penguin is 5+10+5+10=30
    Rhino is 12+4+12+4=32
    Snake is 3+6+3+6=18

    SILVER
    The largest perimeter is the Rhino the smallest perimeter is the Snake.

    1. Mrs Jones

      Well done 👍 please check your answers for silver.

  13. Rayan M.

    Bronze
    Rhino = 4+12+4+12 = 32
    Panda = 7+5+7+5 = 24
    Giraffe = 3+9+3+9 = 24
    Penguins = 5+10+5+10 = 30
    Snake = 6+3+6+3 = 18
    Silver
    The enclosure that is the largest is the Rhino’s enclosure.
    The enclosure that is the smallest is the Snake’s enclosure.
    Gold
    Alex is wrong because 1600 cm is 16m and 16 is smaller than 20m and the elephant enclosure is 25m big.
    Mo is also wrong because the walrus enclosure is 24m not 22m.
    Platinum
    Tiger = 3+5+3+5 = 16
    Giraffe = 2+10+2+10 = 24
    Lion = 7+3+7+3 = 20
    Penguin = 5+5+5+5 = 20
    Gorilla 6+3+6+3 = 16
    Monkey 10+1+10+1 = 22
    I have completed the zoo.

    1. Mrs Jones

      Great work 👍. Please check answers for silver.

  14. Zakariyah T.

    Bronze
    Panda=5+7+5+7=24
    Giraffe=3+9+3+9=24
    Penguin=5-10+5+10=30
    Rhino=4+12+4+12=32
    Snake=8+3+8+3=22
    Silver
    The Rhino has the biggest perimeter because 32 is the largest
    Snake has the smallest perimeter because 22 is the smallest there
    Gold
    Mo is correct because 1600 centimetres=16 Meters
    Panda is 24 meters

    1. Mrs Jones

      Well done Zak👍

  15. Sandra A.

    Bronze
    Panda_5+5+7+7=24
    Giraffe _3+3+9+9=24
    Penguin_5-10+10+5=30
    Rhino_4+4+12+12=32
    Snake_8+8+3+3=22
    Silver
    The Rhino has the biggest perimeter of 32
    The Snake has the smallest perimeter of 22

  16. Alya M.

    Panda=5+5 7+7 24 squares
    Giraffe=3+3+9+9=24 squares
    Penguin=5+5+10+10=30
    Rhino=12+12+4+4=32 squares
    Snake 3+3+8+8=18 squares

    1. Miss Begum

      Good job Alya!

  17. Dean-Junior L.

    Penguin=5+10+5+10=30
    giraffe=3+9+3+9=24
    Panda=5+5+7+7=24
    Rhino=12+12+4+4=32
    Snake=3+3+8+8=18

    Silver
    The largest perimeter is the rhino with 32
    And the snake enclosure perimeter is only 18

    Gold
    Alex is incorrect because she said that 1600cm is bigger than 20m but 1600cm=16m which is smaller than 2000cm=20m.

    Mo is correct because 22m is smaller than 2400cm because 2400cm=24m which is larger than 22m

  18. Musa B.

    Bronze
    Panda=5+7+5+7=24
    Giraffe=3+9+3+9=24
    Penguin=5-10+5+10=30
    Rhino=4+12+4+12=32
    Snake=8+3+8+3=22
    Silver
    The Rhino has the biggest perimeter because 32 is the largest
    Snake has the smallest perimeter because 22 is the smallest there
    Gold
    Mo is correct because 1600 centimetres=16 Meters
    Panda is 24 meters

  19. Max P.

    BRONZE!!!

    panda} 5+7+5+7=24square
    Giraffe} 3+9+3+9=24squares
    Penguins} 5+10+5+10=30squares
    Rhino} 4+12+4+12=32squares
    Snake 8+3+8+3=18squares

  20. Yasmin A.

    7+5+5+5
    9+9+3+3
    10+10+5+5
    4+4+12+12
    8+8+3+3
    Silver
    The biggest is rhino
    Smallest is snake.
    Gold
    Mo is correct because the perimeter is 22.
    Platinum
    3+5+3+5=16
    2+10+2+10=40
    7+3+7+3=20
    5+5+5+5=20
    2+3+2+3=10
    6+3+6+3=18
    10+1+10+1=21

    1. Miss Begum

      Well done Yasmin 👍

  21. Sanaa M.

    I finished this
    Why so much homework😭
    Oh yeah I watch too much video games

  22. Sanaa M.

    Bronze
    Panda=5+7+5+7=24 squares
    Giraffe=9+9+3+3=24 squares
    Penguins=10+5+10+5=30 squares
    Rhino=12+4+12+4=32 squares
    Snake=6+3+6+3=18 squares

  23. Aiza B.

    Bronze:
    1The panda enclosure perimeter is 5 + 7 = 24 squares
    2 The giraffe enclosure is perimeter is 3 +9 +3+9 = 24 squares
    3 The penguins enclosure is perimeter is 10 + 5 +10 = 30
    4 The Rhino enclosure is 4+12+4+12= 32 squares
    5 The snake enclosure perimeter is 6+3+6+3=12 squares
    Silver:
    The gorilla has the longest perimeter because it has 48 squares .
    The turtle has the shortest perimeter because it has 3+3+3+3=12 squares
    Gold:
    Alex is wrong because the parrots enclosure 1500 centimetre.
    Mo is incorrect because both walrus and panda enclosure is 2400 cm.

    1. Mrs Jones

      Great work Aiza 🤩

  24. Rexford A.

    Rexford. A

  25. Rexford A.

    Bronze
    Square:5+7+5+7=24=Panda
    Square:3+9+3+9=24=Giraffe
    Square:5+10+5+10=30=Penguin
    Square:4+12+4+12=32=Rhino
    Square:3+6+3+6=18=Snake
    Silver
    The Gorilla has the longest perimeter because it has 16+3+16+3=38 Squares
    The Turtle has 3+3+3+3=12 Squares
    Gold
    Alex is wrong because 16m is equivalent to 1600cm and the elephant has 20m which is 2000cm.
    Mo is correct because the Walrus has 22m equivalent to 2200cm and the Panda has 24m the same as 2400cm so Mo would be correct.
    Platinum
    Tiger=3+5+3+5=16
    Giraffe=2+10+2+10=24
    Lion=7+3+7+3=20
    Penguin=5+5+5+5=20
    Turtle=2+3+2+3=10
    Gorilla=6+3+6+3=18
    Monkey=10+1+10+1=22

    1. Miss Begum

      Great Job Rexford👏

  26. Simeongeya W.

    Bronze:

    Panda: 5+5+7+7=24
    Giraffe: 3+3+9+9=24
    Penguin:5+5+10+10=30
    Rhino: 4+4+12+12=32
    Snake: 3+3+6+6=18

    Silver:
    Rhino has the longest perimeter.
    Snake has the shortest perimeter.

    Gold:
    Mo is correct because 22 meters is smaller than 2400cm.

    Note: Platinium is done on piece of paper.

  27. Hamida K.

    Gold:
    Mo is correct because the walrus premiter in meters is 22 and in cm it is 2200cm.The elephant for Mo’s working is also correct.I know this premiter for the elephant in meters is 24 and in cm is 2400cm.Therefore,Alex is incorrect because she got 20 meters for the elephant whereas she was supposed to get 24 meters.
    Platinum:
    Tiger
    Exhibit=3+5+3+5=16=Bear Exhibit

    Girrafe
    Exhibit=2+10+2+10=24=Jagual Exhibit

    Lion
    Exhibit=7+3+7+3=20=Panda Exhibit

    Penguin
    Exhibit=5+5+5+5=20=Snake Exhibit

    Turtle
    Exhibit=2+3+2+3=10=Elephant Exhibit

    Gorillia
    Exhibit=6+3+6+3=18=Koala Exhibit

    Monkey
    Exhibit=10+1+10+1=32=Parrot Exhibit

    1. Miss Begum

      Well Done Hamada! 👍

  28. Chavi L.

    Bronze:
    Panda=5+7+5+7=24squars
    Giraffe=3+9+3+9=24squars
    Penguin=10+5+10+5=30squars
    Rhino=12+4+12+4=32squars
    Snake=8+3+8+3=22squars

    Silver:
    Rhino has the biggest perimeter because it was 32squars.
    Snake has the smallest perimeter because it was 22squars.

    Gold:
    I agree with Mo because if you convert 2400cm into metre it is 24m so 22m is smaller than 24m.

  29. Subodh K.

    Gold:
    Alex is wrong because parrots have 1600cm and elephants have 2000 so Alex is wrong
    Ron is right because walrus 2200cm and panda is 2400 so Ron is right

  30. Subodh K.

    Bronze:
    Panda 5+5+7+7 = 24 squares
    Giraffe 3+3+9+9=24 squares
    Penguin 5+5+10+10=30 squares
    Rhino 12+12+4+4=32 squares
    Snake 3+3+8+8= 18 squares
    Silver:
    The most biggest perimeter is Rhino
    The most smallest perimeter is snake

    1. Miss Begum

      Well done Subodh, keep it up!

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