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Year 4 Maths Challenge Spring 1

Mrs Khaliq

Here is a plan for a new zoo that will be opening in 2023.

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.

80 responses to “Year 4 Maths Challenge Spring 1”

  1. Lawan R.

    1)7+7+5+5=24
    2)3+3+9+9=24
    3)10+10+5+5=30
    4)12+12+4+4=32 Gold
    5)6+6+3+3=18 1)7+7+5+5=24
    Silver
    The rhino enclosure has the longest perimeter which is 32 squares and the snake enclosure has the shortest perimeter which is 18 squares.
    Gold
    Mo is correct I know that 2400cm is equivalent to 24cm so 24cm is bigger than 22cm so therefore Mo is correct and Alex is wrong.

  2. Khadeeja M.

    Bronze
    🐼Panda = 24 I know this because:
    Long addition
    ————————-
    5+5+7+7=24
    Short addition
    —————————
    10+14=24
    🦒Giraffe=24 I know this because:
    Long addition
    ————————-
    3+3+9+9=24
    Short addition
    ————————-
    18+6=24
    🐧Penguins=30 I know this because:
    Long addition
    ————————-
    10+10+5+5=30
    Short Addition
    —————————-
    20+10=30
    🦏Rhino=32 I know this because:
    Long addition
    ————————-
    4+4+12+12=32
    Short addition
    —————————-
    24+8=32
    🐍 Snake=18 I know this because:
    Long addition
    ————————-
    6+6+3+3=18
    Short addition
    —————————-
    12+6=18
    Silver
    ————-
    The rhino has the biggest enclosure. The perimeter is 32.
    The snake has the smallest enclosure. The perimeter is 18.
    Gold
    ———-
    Mo is correct because 2400 cm it is equal to 24 cm and 24 cm is larger than 22 cm.

  3. Madeeha T.

    Panda :24 because 5+5=10 and 7+7=14 so 10 +14 = 24.
    Giraffe: 24 because 9+9=18 and 3+3=6 so 18+6=24
    Penguins: 30 because 10+10=20and 5+5=10 so 20+10=30.
    Rhino: 32 because 4+4=8 and 12+12=24 so 8+24=32
    Snake: 18 because 3+3=6 and 6+6=12 so 12+6=18
    Silver
    The rhino has more enclosure because the perimeter is 32
    The snake has less enclosure because the perimeter is 18.
    Gold
    Mo what s correct because 22m=2200 and 24m = 2400
    2400>2200

  4. Mopelola L.

    Bronze
    1.Panda-7+5+7+5=34
    2.Giraffe-3+3+9+9=24
    3. Penguin-10+10+5+5=30
    4.Rhino-12+12+4+4=32
    5.Snake-6+6+3+3=18
    Silver
    The panda has the biggest enclosure because the perimeter is 34.
    The snake has the smallest enclosure because the perimiter is 18.
    Gold
    Mo is correct because 2400cm=24m and 24m is greater than 20 cm

  5. Arfa S.

    Bronze

    1. Panda
    7+5+7+5=24

    2. Giraffe
    9+3+9+3=24

    3. Penguins
    10+5+10+5=30

    4. Rhino
    4+12+4+12=32

    5. Snake
    3+6+3+6=18

    Silver:

    Which animal has the enclosure with the longest perimeter?
    Gorilla because 16 + 16 + 3 + 3 = 38

    Which animal has the enclosure with the shortest perimeter?
    Tortoise 3 + 3 + 3 + 3 = 12

    Gold:

    Each square on the plan is equivalent to 1 metre.

    Who is correct?
    Mo is correct because 22m is smaller than 2400cm

  6. Amelia A.

    Bronze

    1)7+7+5+5=24
    2)3+3+9+9=24
    3)10+10+5+5=30
    4)12+12+4+4=32
    5)6+6+3+3=18

  7. Anish B.

    Bronze
    panda 7+7+5+5=24
    Giraffe 9+9+3+3=24
    Penguins 10+10+5+5=30
    Rhino 12+12+4+4=32
    snake 6+6+3+3=18
    Silver
    The Rhino has the biggest enclosure because its perimeter is 32. the snake has the smallest enclosure because its perimeter is 18.
    gold:
    Mo is correct because 2400cm is the same as 24 cm and 24 cm is bigger than 22 m

  8. Hussein H.

    Bronze.
    Panda
    5+7+5+7=24
    Giraffe
    3+9+3+9=24
    Penguins
    10+5+10+5=30
    Rhino
    12+4+12+4=32
    Snake
    3+6+3+6= 18
    Silver
    The animal with the longest enclosure is the Rhino with 32.
    The animal with the shortest enclosure is the snake with 18.
    Gold
    Mo is correct I know that 2400cm is equivalent to 24cm so 24cm is bigger than 22cm so therefore Mo is correct and Alex is wrong.

  9. Zaynab M.

    Bronze
    Panda 7+5+7+5=24
    Giraffe 9+3+9+3=24
    Rhino 12+4 +12+4=32
    Penguins 10+5+10+5=30
    Snake 6+3+6+3=18
    Silver
    Rhino has the largest enclosure.
    Snake has a smallest enclosure.
    Gold
    Mo is correct because 2400 Is equivalent to 24 and 24 is that equivalent to 22.

  10. Aiza B.

    1. Panda 7 + 7 + 5 + 5 = 24
    2. Giraffe 9 + 9 + 3 + 3 = 24
    3. Penguins 10 + 10 + 5 + 5 = 30
    4. Rhino 12 + 4 + 12 + 4 = 32
    5. Snake 6 + 6 + 3 + 3 = 18
    Silver
    The rhino has the longest enclosure.
    The snake has the smallest enclosure.
    Gold
    Mo is correct because 24cm is the same as 2400cm.

  11. Mohammed E.

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

    Silver:
    The Rhino has the largest enclosure
    as the Rhino has 32 that is the most out of many other animals as 12+12=24 and 4+4=8 and 24+8=32.
    The animal that has the least enclosure is the snake because it has 18 as 6+6=12 and 3+3=6 you and them together 6+12=18)

    Gold:
    Mo has the correct answer because 2400cm is equivalent to 24m and 22m is equivalent to 2200cm.

    Platinum:
    I’ll bring the platinum challenge to school

  12. Yoshita P.

    Bronze:
    Panda enclosure 10+4+10=24
    Giraffe enclosure 10+10+2+2=24
    Penguin enclosure 10+10+10=30.
    Panda enclosure 10+4+10=24.
    Rhino enclosure 8+8+8+8=32.
    Snake enclosure 10+4+4=18.
    Giraffe enclosure 4+10+10=24.
    Silver:
    The rhino enclosure has the longest perimeter which is 32 squares and the snake enclosure has the shortest perimeter which is 18 squares.

  13. Hudayfa A.

    Gold
    Mo has the correct answer.

  14. Nihal P.

    Bronze

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

    Silver
    Gorilla 38 squares
    Lion 26 squares
    Sea Lion 24 squares
    Hippo 22 squares
    Ostrich 26 squares
    Elephant 20 squares
    Tiger 36 squares
    Zebra 36 squares
    Walrus 22 squares
    Parrot 16 squares
    Turtle 12 squares

    The gorilla has the enclosure with the longest perimeter of 38 squares.

    The turtle has the enclosure with the shortest perimeter of 12 squares.

    Gold

    Alex is incorrect because the elephant enclosure has a perimeter of 2000 cm which is bigger than 1600.

    Mo is correct because 22m is 2200 cm which is smaller than 2400 cm.

    Platinum
    I have completed my zoo perimeter and I will bring this in to school.

  15. Welat M.

    Bronze
    1. panda is 24 because 5+7+7+5=24
    2 .girrafe is 24 because 3+3=6 and 9+9=18 and 18+6=24
    3.penguins is 30 because 10+10=20 and 5+5=10 and 10+20=30
    4. the rihnos are 32 because 4+4=8 and 12+12=24 so 8+24=32
    5.snakes is 18 because 3+3=6 and 6+6=12 6+12=18
    Silver
    The longest is the zebra that has 48cm and the one withthe shortest perimeter is the turtle wich is 9cm.
    Gold
    Mo is correct because 22m =2200cm and 24m =2400cm and 24cm>22cm.

  16. Haarun M.

    Bronze
    1 panda 5×7=35
    2 giraffe 3×9=27
    3 penguins 5×10=50
    4 rhino 4×12=48
    5 snake 3×6=18
    Silver
    1 rhino
    2 snake
    Because 100cm = 1 metre
    Gold
    Mo is correct because the panda is 2400cm which is 24m and the walrus is 22m which is 2200cm

  17. Ramandeep K.

    Bronze
    1. Panda- 5+5+7+7=24
    2. Giraffe- 9+9+3+3=24
    3. Penguins- 10+10+5+5=30
    4. Rhino- 4+4+12+12=32
    5. Snake- 3+3+6+6=18
    Silver
    The Rhino has the biggest enclosure.It has the perimeter of 32.
    The Snake has the smallest enclosure. It has the perimeter of 18.

    1. Ramandeep K.

      Gold
      Mo is correct. I know this because 2400cm is equal to 24cm which is bigger than 22m

  18. Alinna A.

    Bronze
    Panda 7+5+7+5=24
    Giraffe 3+9+3+9=24
    Penguin 5+5+10+10=30
    Rhino 12+4+12+4=32
    Snake 6+6+3+3=18
    Silver:
    Rhino has the longest enclosure because it’s perimeter is 32.
    Snake has the shortest enclosure because it’s perimeter is 18.

  19. Hudayfa A.

    Bronze:
    1)Panda is 7×5=35
    2)giraffe is 3×9=27
    3)penguin is 5×10=50
    4)rhino is 4×12=48
    5)snake is 3×6=18

  20. Adam D.

    Bronze: Panda 7+7+5+5=24 Giraffe 3+9+9+3=24 Penguins 5+5+10+10=30 Rhino 12+4+12+4=32 snake 3+6+6+3=18 Silver: the Rhino has the biggest enclosure . The the Snake has the smallest. enclosure Gold: Mo is right because 100 centimeters is 1 meter. Alex is wrong because he has to convert the centimeters into meter’s.

  21. Delilah R.

    I am doing the platinum on paper

  22. Delilah R.

    Bronze
    1 panda 5×7=35
    2 giraffe 3×9=27
    3 penguins 5×10=50
    4 rhino 4×12=48
    5 snake 3×6=18

    Silver
    1 rhino
    2 snake
    Because 100cm = 1 metre

    Gold
    Mo is right because 100 cm =1 metre and the walrus enclosure is 22m which is 2200 cm and the panda enclosure is 2400cm which is 22m.you can just take the zeros off to change cm to metres or add the zeros to make the metre to cm

  23. Keaton O.

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

    Silver
    Longest perimeter
    Rhino
    Shortest perimeter
    Parrot

    Gold
    Mo is correct enclosure is 22m and panda is 24m

    1. Vaneza S.

      Bronze:
      Panda:7+5+5+7=24
      Giraffe:9+3+3+9=15
      Penguin:10+5+5+10=30
      Rhino:12+4+4+12=17
      Snake:6+3+3+6=18
      Silver:
      Penguin is 30p. Panda is 24p. Snake is 18p. Rhino is 17p. Giraffe is 15p.

      1. Vaneza S.

        I got Some of them wrong.
        These are the right answers.
        Giraffe = 24p
        Rhino = 32p

  24. Harrison S.

    Bronze
    5+7+5+7=24
    9+3+9+3=24
    5+10+5+10=30
    12+4+12+4=32
    3+6+3+6=18
    Silver
    Rhino is the longest.
    Snake is the shortest.
    Gold
    Mo is correct because 2400cm is equal to 24m which is bigger than the walrus enclosure.

  25. Zaeem J.

    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
    3+6+3+6=18
    Silver
    The rhino has the longest enclosure
    The snake has the shortest enclosure
    Gold
    Mo is correct because the panda is 2400cm which is 24m and the walrus is 22m which is 2200cm

  26. Ahmed K.

    Bronze
    Panda-5+7+7=22
    Giraffe-3+9+3+9=24
    Penguins-5+10+5+10=30
    Rhino-4+12+4+12=32
    Snake-6+3+6+3=18
    Silver
    Rhino animal has the encolosore with
    The shortest perimeter

  27. Muhammed K.

    Bronze

    1) 24
    2)24
    3)30
    4)32
    5)18

    Silver
    1) gorilla
    2) parrot

  28. Hamsia D.

    Bronze
    The panda enclosure perimeter is 7+5+7+5=24 squares.
    The giraffe enclosure perimeter is 3+9+3+9=24 squares.
    The penguin enclosure perimeter is 10+5+10+5=30 squares.
    The rhino enclosure perimeter is 4+12+4+12=32 sugars.
    The snake enclosure perimeter is 6+3+6+3=18 sugars.

    Silver
    The turtle enclosure perimeter is 3+3+3+3=12 squares.
    The gorilla enclosure perimeter is 3+16+3+16=38 squares.
    The koala enclosure perimeter is 3+8+3+8=22 squares.
    The lion enclosure perimeter is 6+7+6+7= 26 squares.
    The seal enclosure perimeter is 4+8+4+8= 24 squares.
    The hippo enclosure perimeter is 3+8+3+8= 22 squares.
    The ostrich enclosure perimeter is 5+8+5+8= 26 squares.
    The elephant enclosure perimeter is 5+5+5+5= 20 squares.
    The panda enclosure perimeter is 7+5+7+5= 24 squares.
    The tiger enclosure perimeter is 3+15+3+15= 36 squares.
    The penguin enclosure perimeter is 10+5+10+5=30 squares.
    The giraffe enclosure perimeter is 3+9+3+9= 24 squares.
    The snake enclosure perimeter is 3+6+3+6= 18 squares.
    The walrus enclosure perimeter is 3+8+3+8= 22 squares.
    The zebra enclosure perimeter is 8+10+8+10= 36 squares.
    The parrot enclosure perimeter is 5+3+5+3= 16 squares.
    The rhino enclosure perimeter is 4+12+4+12= 32 squares.
    The gorilla has the enclosure with the longest perimeter.
    The turtle has the enclosure with the shortest perimeter.

    Gold
    The perimeter of the parrots enclosure =1600 centimetres
    1600 cm =16 metres 1600➗100=16m
    Alex is incorrect because 1600cm is 16m which is less then 20m.
    The perimeter of the panda enclosure is 2400cm=24m.
    Mo is correct because 2400cm is 24cm which is larger than 22m.

    Platinum
    Tiger exhibit =16 squares
    Giraffe exhibit =24 squares
    Lion exhibit =22 squares
    Penguin exhibit =20 squares
    Turtle exhibit =10 squares
    Gorilla exhibit =18 squares
    Monkey exhibit =22 squares
    Bear exhibit =3+6+3+6=18 squares
    Jaguar exhibit =4+4+4+4=16 squares
    Panda exhibit =5+4+5+4=18 squares
    Snake exhibit =8+4+8+4=24 squares
    Elephant exhibit =4+2+4+2=12 squares
    Koala exhibit = 4+5+4+5=18 squares
    Parrot exhibit =3+4+3+4=14 squares
    I will bring my drawing of my zoo to school.

  29. Amina J.

    BRONZE
    Panda=5+5+7+7=24
    Giraffe=3+3+9+9=24
    Penguins=5+5+10+10=30
    Rhino=12+12+4+4=32
    Snake=6+6+3+3=18
    SILVER
    The Rhino enclosure has the longest perimeter.
    The Snake enclosure has the shortest perimeter.
    GOLD
    Mo is correct as the walrus enclosure is 22m which is 2200 cm and the panda enclosure is 2400cm which is 22m

  30. Anaya R.

    Bronze:
    Panda-7+5+5+7=24
    Giraffe-9+3+9+3=24
    Penguins -10+5+10+5=30
    Rhino-12+4+12+4=32
    Snake-6+3+6+3=18
    Silver:
    The Rhino has the longest enclosure because it has the perimeter of 32. The Snake has the shortest enclosure because it has the perimeter of 18.
    Gold:
    Mo is correct because 2400cm is the same 24 cm and 24 cm is bigger than 22 m.

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