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Year 3 Maths Challenge Spring 2

Mrs Khaliq

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BRONZE:

A plant’s roots are 12cm deep underground. The stem on top is 14cm tall.

What is the length plant altogether?

SILVER:

Convert the height of the different trees into metres. Remember there are 100cm in a metre.

GOLD:

1. I have 2 square shaped allotments. Allotment one is 8m long and allotment two is 12m long. a. What is the perimeter of each allotment? b. What is the difference in perimeter of the allotments?

2. I am going to build a wooden fence around allotment two. It cost £8 per metre of wood. How much would it cost to buy the wood for the whole fence?

3. The wood goes on sale and is reduced to £5 per metre. a. How much will it cost if I buy it now? b. How much money will I save?

PLATINUM:

Drawings of different sized allotments have been given to a gardener.  He needs to know which allotment will fit the type of tree. 

Can you help him by calculating the perimeter of each enclosure?

Which enclosure would be suited for which plants?

89 responses to “Year 3 Maths Challenge Spring 2”

  1. Vaneza S.

    Length of the plant is 26cm.
    12 has one ten and two ones
    14 has one ten and four ones
    That is how I added the numbers.

  2. Anish B.

    Bronze:
    12 cm deep+14 cm tall = total length of plant is 26 cms

    Silver:
    Maple – 173cm = 1m 73 cm
    Crab Apple – 179cm = 1m 79 cm
    Snow Gun – 184 = 1m 84 cm
    Cercis – 165 = 1m 65 cm
    Oak – 197 = 1m 97 cm

  3. Delilah R.

    173cm = 1m and 73cms
    179cms=1m and 79cms
    184cms=1m and 84 cms
    165cms= 1m and 65cms
    197cms=1m and 97cms

    1. I have 2 square shaped allotments. Allotment one is 8m long and allotment two is 12m long. a. What is the perimeter of each allotment? b. What is the difference in perimeter of the allotments

    The allotments are
    4mx8m=32m
    And
    12mx4m=48

    The difference is
    48m_32m=16m

    2. I am going to build a wooden fence around allotment two. It cost £8 per metre of wood. How much would it cost to buy the wood for the whole fence?
    48×8 =464pound

    3. The wood goes on sale and is reduced to £5 per metre. a. How much will it cost if I buy it now? b. How much money will I save?

    48×5=240pound

    That means you will save 224pound because

    464_240=224

    Oak..= 6×20 =120
    Pine..=25+25+30+10+10=100
    Conifer..=60+25+25+12=122
    Maple..=25+25+15+15=80
    Walnut ..=30+30+13+13=86
    Cedar=4×12=48

  4. Arifa H.

    Bronze
    It is 26cms
    Silver
    Maple=1m and 73cm
    Crab apple=1m and 79 cm
    Snow gum=1m and 84cm
    Cercris= 1m and 65cm
    Oak= 1m and 97cm

  5. Delilah R.

    BRONZE:

    A plant’s roots are 12cm deep underground. The stem on top is 14cm tall.

    The answer is 26
    12cm + 14cm=26cm

    Silver
    173xm=1m 73cms

    1. Delilah R.

      173cm = 1m and 73cms
      179cms=1m and 79cms
      184cms=1m and 84 cms
      165cms= 1m and 65cms
      197cms=1m and 97cms

  6. Ianis-Andrei D.

    BRONZE :
    _________
    12cm+14cm=26cm is the length of the plant.

    SILVER :
    ________
    Tree ________| Height (cm)_______| Height (m and cm) |
    Maple_______|173cm____________| 1m and 73 cm____|
    Crab Apple___|179cm____________| 1m and 79cm_____|
    Snow Gum___|184cm____________| 1m and 84cm_____|
    Cercis_______|165cm____________|1m and 65cm_____|
    Oak_________|197cm____________| 1m and 97cm____|

    GOLD:
    ______
    1.
    a) The perimeter of allotment one is 8m x 4=32m.
    The perimeter of allotment two is 12m x4=48m.
    b) The diference in perimeters is 48m – 32m=16 m.

    2. The whole fence will cost 48 m x 8 pound=384 pound.

    3. The reduced fence wil cost 48m x 5 pound=240 pound.
    I would save 384 pound – 240 pound = 144 pound.

  7. Sabiha K.

    Bronze
    The answer is 12cm + 14cm = 26cm.
    Silver
    Maple= 1m73cm
    Grab apple= 1m79cm
    Snow gum=1m84cm
    Cercis=1m65cm
    Oak=1m97cm
    Gold:
    1-
    a) allotment 1 : 8×4=32m
    allotment 2: 12×4=48m
    b) the difference is = 48-32=16m
    2-
    48×8=£366
    3-
    a) 48×5=£240
    b)the difference is : 366-240=£126
    Platinum:
    Enc 1: 15+15+25+25= 80m (Oak, Maple, Walnut)
    Enc 2: 60+12+25+25= 122m (Oak, Conifer)
    Enc 3: 20×6= 120m (Oak, Conifer)
    Enc 4: 30+25+25+10+10=100m (Oak, Pine, Maple)
    Enc 5: 30+30+13+13=86m (Oak, Maple, Walnut)
    Enc 6: 12×4= 48m (Cedar)
    Enc 7: 8+8+6:22m (Cedar)

  8. Mopelola L.

    Bronze
    The flower is 26cm.
    Silver
    Maple Tree :173cm= 1m 73cm
    Crab Apple:179cm= 1m 79cm
    Snow Gum: 184= 1m 84cm
    Cercis:165= 1m 65cm
    Oak:197= 1m 97cm

    Gold
    The perimeter of allotment 1 is 32.
    The perimeter of allotment 2 is 48.
    2: All fences would cost £384.
    3:On sale it would cost £240. You would save £4 of wood.
    Planium
    Enclosure 1 = 80m = Maple Tree
    Enclosure 2 = 117m= Conifer Tree
    Enclosure 3 = 120m=Nothing
    Enclosure 4 = 100m=Pine Tree
    Enclosure 5 = 86m= Walnut Tree
    Enclosure 6= 48m= Cedar
    Enclosure 7= 24m= Nothing

  9. Ahmad R.

    Bronze
    The length of the plant is 26cm
    Silver
    173cm=1.73m
    179cm=1.79m
    184cm=1.84m
    165cm=1.65m
    197cm=1.97m

  10. Ahmed O.

    Bronze
    12cm+14cm= 26cm

  11. Anish B.

    I have done in my home work book.

  12. Khadeeja M.

    Bronze
    The flower is 26 cm long.
    Silver
    Tree Height (cm) Height M and cm
    Maple 170cm 1m 70cm
    Crab apple 179 cm 1m 79cm
    Snow gum 184cm 1m 84cm
    Cercis 165cm 1m 65cm
    Oak 197cm. 1m 97cm
    Gold
    Allotment 1 is 32cm.
    Allotment 2 is 48cm.
    All fences would cost £384.
    8. for allotment 1 we need 8m and allotment 2 we need 12m.

  13. Yoshita P.

    Bronze: the plant is altogether 26cm
    Silver: Maple tree 1m 73cm
    Crab apple 1m 79cm
    Snow gum 1m 84 cm
    Cerise 1m 65 cm
    Oak 1m 97 cm

  14. Haarun M.

    1.73
    1.79
    1.84
    1.65
    1.97

    1. Haarun M.

      1m and 73cm
      1m and 79 cm
      1 m and 84cm
      1m and 65cm
      1 m and 97cm

  15. Safa S.

    Bronze:
    The tree is 26cm long
    Silver:
    Maple: 1m 73cm
    Crab apple: 1m and 79cm
    Snow gum: 1 m and 84 cm
    Cercis: 1 m and 65 cm.
    Oak: 1 m and 97cm

  16. Nihal P.

    Bronze:
    The length of the plant altogether is 26cm.
    14cm + 12cm = 26cm

    Silver:
    Maple = 173cm = 1m and 73cm
    Crab Apple = 179cm = 1m and 79cm
    Snow Gum = 184cm = 1m and 84cm
    Cercis = 165cm = 1m and 65cm
    Oak = 197cm = 1m and 97cm

    Gold:
    Allotment one = 8m long
    Perimeter of allotment one = 32m
    8m + 8m + 8m + 8m = 32m

    Allotment two = 12m long
    Perimeter of allotment two = 48m

    12m + 12m + 12m + 12m = 48m
    Difference in the perimeter of the allotments is 16m.
    48m – 32m = 16m

    To put a fence around allotment two, it will cost £384.
    48m * £8 = £384

    On sale, it would cost £240.
    48m * £5 = £240

    On sale, I would save £144.
    £384 – £240 = £144.

    Platinum:
    Enclosure 1 = 80m perimeter = Oak, Maple and Walnut trees.
    Enclosure 2 = 122m perimeter = Oak and Conifer trees.
    Enclosure 3 = 120m Perimeter = Oak and Conifer trees.
    Enclosure 4 = 100m Perimeter = Oak and Pine Trees.
    Enclosure 5 = 86m Perimeter = Oak, Maple and Walnut Trees.
    Enclosure 6 = 48m Perimeter = Cedar Tree.
    Enclosure 7 = 22m Perimeter = Cedar Tree.

  17. Amina H.

    Platinum -:
    Enclosure 1= 80m = Maple tree
    Enclosure 2 =122m = conifer
    Enclosure 3= 120m=nothing
    Enclosure 4=100m=pine tree
    Enclosure 5= 86m=walnut tree
    Enclosure 6=48m = cedar/oak tree
    Enclosure 7=22m=nothing

  18. Amirah T.

    BRONZE:

    A plant’s roots are 12cm deep underground. The stem on top is 14cm tall.

    What is the length plant altogether?

    The length of the plant altogether is 26cm. I know this because 14cm + 12cm = 26cm.

    SILVER:

    Convert the height of the different trees into metres. Remember there are 100cm in a metre.

    Tree: Height(cm): Height(m and cm):
    Maple 173cm 1m and 73cm
    Crab Apple 179cm 1m and 79cm
    Snow Gum 184cm 1m and 84cm
    Cercis 165cm 1m and 65cm
    Oak 197cm 1m and 97cm

    Gold:
    1. I have 2 square shaped allotments. Allotment one is 8m long and allotment two is 12m long.

    a. What is the perimeter of each allotment?
    The perimeter for allotment one is 32m. I know this because 4 x 8m = 32m.

    The perimeter for allotment two is 48m. I know this because 4 x 12m = 48m.

    The number 4 in my sum is the number of sides that my square shaped allotment has.

    b. What is the difference in perimeter of the allotments?

    The difference in perimeter of the allotments is 16m. I know this because to find the difference between allotment one and allotment two, I need to subtract 48m from 32m. The sum is 48m – 32m = 16m.

    2. I am going to build a wooden fence around allotment two. It cost £8 per metre of wood. How much would it cost to buy the wood for the whole fence?

    It would cost £384.00 to buy the wood for the whole fence. I know this because I will need to multiply £8 by the perimeter of allotment two. The sum is £8 x 48m = £384.00.

    3. The wood goes on sale and is reduced to £5 per metre.

    a. How much will it cost if I buy it now?

    It would cost £240.00 to buy the wood for the whole fence. I know this because I will need to multiply £5 by the perimeter of allotment two. The sum is £5 x 48m = £240.00.

    b. How much money will I save?

    I will save £144.00. I know this because £384.00 – £240.00 = £144.00.

    Platinum to be completed and posted shortly.

    1. Amirah T.

      Platinum:

      Drawings of different sized allotments have been given to a gardener. He needs to know which allotment will fit the type of tree.

      Can you help him by calculating the perimeter of each enclosure?

      Which enclosure would be suited for which plants?

      Enclosure 1 = 80m perimeter, suitable for the Maple tree.
      Enclosure 2 = 122m perimeter, suitable for the Conifer tree.
      Enclosure 3 = 120m perimeter, suitable for the Conifer tree.
      Enclosure 4 = 100m perimeter, suitable for the Pine tree.
      Enclosure 5 = 86m perimeter, suitable for the Walnut tree.
      Enclosure 6 = 48m perimeter, suitable for the Cedar tree.
      Enclosure 7 = 22m perimeter, suitable for the Oak tree.
      Two of the enclosures are the same because I couldn’t find another tree for it, so I thought it through and maybe the farmer could have 2 Conifer trees in enclosures 2 and 3.

  19. Alinna A.

    Bronze
    Altogether it makes 26c m

  20. Amina H.

    Bronze-:
    12cm+14 cm=26cm
    Silver :–
    Maple : 173 cm is 1m and 73cm
    Crab Apple: 179 cm is 1m and 79cm
    Snow Gum: 184 cm is 1m and 84 cm
    Cercis 165 cm is 1m and 65 cm
    Oak 197 cm is 1m and 97 cm
    Gold :–
    1. Allotment one is 8 ×4=32m
    Primeter =32 m
    Allotment two is 12×4 =48 m
    Primeter =48m
    2. 12× 48m
    48×8=384
    It would be cost to buy the wood for the whole fence is £ 384.
    3. It will be reduced cost is £240.
    48×5 =£ 240
    384 _ 240 = 144
    It will save £144.

  21. Nma M.

    Bronze:
    All together it is 26. I know this because 2+4=6 and 10+10=20 so the other reason that it’s 26 is 12+14 is 26.

    Silver:
    1. 1m and 73cm.
    2. 1m and 79cm.
    3. 1m and 84cm
    4. 1m and 65cm
    5. 1m and 97cm.

    Gold:

    a. 12m ➗4 = 3m
    8m ➗4= 2m
    b. The difference is in perimeter of the allotments is 1 meter.

    2. £64 pounds is for the wood to be doubled. I know this because 8 X 8 = £64.

    3. It will now cost £60 pounds. You will save £4 of wood.

    PLATINUM :

    Oak tree = 20+20+20+20+20+20= 120m
    At least 50m is 120m
    Pine tree = 30+25+10+10+25=100m.
    Exactly 100m .
    Maple tree = 15m+25+15+25=80m
    Bigger then 50m but smaller then 100m.
    Conifer tree = 60+25+12+25= 122m.
    Bigger then 100m.
    Walnut tree = 30+13+30+13 = 86m.
    Between 80m and 95m.
    Cedar tree = 12+12+12+12 = 48m .
    Less than 50m.
    Enclosure 7 = 8+8+8= 24m
    nothing about it.

  22. Aisha A.

    BRONZE
    The tree 🌳 is 26cm long.
    Silver
    Maple 173 cm and 1m and 73cm
    Crab Apple 179cm and 1m and 79cm
    Snow Gum 184cm and 1m and 84cm
    Cercis 165cm and 1m and 65cm
    Oak 197cm and 1m and 97cm.

  23. Sayda A.

    Bronze:
    14cm+12cm=26cm
    Silver:
    Maple tree= 173 divided by 100= 1.73m
    Crab Apple tree= 179 divided by 100= 1.79m
    Snow Gum tree= 184 divided by 100= 1.84m
    Cercis tree= 165 divided by 100= 1.65m
    Oak tree= 197 divided by 100= 1.97m
    Gold:
    1a) Alloment 1= 32m Alloment 2= 48m
    1b) 48-32= 16m
    2)It is 384m as 48 times 8 is 384.
    3a)48 times 5= 240m
    3b)384-240=144m saved.

    1. Sayda A.

      Oak tree= Enclosure 3= 20+20+20+20+20+20= 120m
      Pine tree= Enclosure 4=25+25+10+10+30=100m
      Conifer tree= Enclosure 2= 60+25+25+12= 122m
      Cedar tree= Enclosure 7= 8+8+6= 22m/Enclosure 6= 12+12+12+12= 48m
      Walnut tree= Enclosure 1= 25+25+15+15= 80m
      Maple tree= Enclosure 5= 30+30+13+13= 86m

  24. Muhammed G.

    Bronze

    12 + 14 = 26cm

    Silver

    Maple 1m 73cm
    Crab apple 1m 79cm
    Snow gum 1m 84cm
    Cercis 1m 65cm
    Oak 1m 97cm

    Gold
    1) Allotment 1 = 32m, allotment 2 = 48m
    Difference 16m

    2) 48 x 8 = £384
    Workings 50 x 8 = 400, 2 x 8 = 16 , 400-16 = £384

    3) 48 x 5 = £240
    Workings 50 x 5 = 250, 2 x 5 = 10, 250-10= £240

    Savings £384 – £240 = £144

    Platinum

    Enclosures perimeters
    1 = 15+25+15+25=80
    2 = 60+12+25+25 = 122
    3 = 20 x 6 = 120
    4 = 30+25+25+10+10 = 100
    5 = 30+30+13+13 = 86
    6 = 12 x 4 = 48
    7 = 8+8+6 = 22

    Which enclosures suit which plants

    Oak = 1,2,3,4,5
    Pine = 4
    Maple = 1, 5
    Conifer = 2,3
    Walnut = 1,5
    Cedar = 6,7

  25. Mustafa A.

    Bronze
    The plant altogether is 26cm
    Silver:
    Maple: 173cm is 1m and 73 cm
    Crab apple: 179cm is 1m and 79cm
    Snow gum: 184cm is 1m and 84cm
    Cercis: 165cm is 1m and 65cm
    Oak: 197cm is 1m and 97cm
    Gold –
    The perimeter of alloment 1 is 32m and allotment 2 is 48m.

    1) Allotment 2 wood would cost £96 because it would be £8 x 12m.
    2) Allotment 2 reduced would cost £60 as we do £5 x 12m.
    They would save £36.

  26. Aryan M.

    Bronze:The plant is 26cm tall.
    Silver:Maple=1m 73cm
    Oak=1m 97cm
    Cercic=1m 65cm
    Snow gum=1m 84cm
    Crab apple =1m 79cm
    Gold:a.Alottment 1 is 32m. Alottment 2 is 48m.b.The difference between the alottments is 16m.

  27. Minhaj A.

    Bronze
    1. The plant is 26cm altogether. I know this because 14cm + 12cm = 26cm.
    Silver:
    The Maple is 1m and 73 cm.
    The Crab Apple is 1m and 79cm.
    The Snow Gum is 1m and 84cm.
    The Cercis is 1m and 65cm.
    The Oak is 1m and 97cm.

    Gold:
    1a) Allotment 1 has 32m as the perimeter.
    Allotment 2 has 48m as the perimeter.
    1b) The difference between Allotment 2 & 1 is 16m
    2) To buy the wood for the whole fence of Allotment 2 you would need £384 worth of would.
    3a) It would now cost £240 worth or wood
    3b) I would now save the cost by £144.

    Platinum:

  28. Khadijah M.

    B͟r͟o͟n͟z͟e͟
    Altogether it is 26cm because 14+12=26.
    S͟i͟l͟v͟e͟r͟
    Maple: 173cm=1 metre and 73cm.
    Crab apple: 179cm=1 metre and 79cm.
    Snow gum: 184cm=1 meter and 84cm.
    Cercis: 165cm=1 metre and 65cm.
    Oak: 197cm=1 metre and 97cm.
    G͟o͟l͟d͟
    Allotment 2 needs £64 of wood.
    It will now cost £60.
    You will save £4 of wood.

  29. Harrison S.

    Bronze
    The full length of the plant is 26cm.
    Silver
    Maple: 173cm – 1m and 73cm.
    Crab apple: 179cm – 1m and 79cm.
    Snow gum: 184cm – 1m and 84cm.
    Cercis: 165cm – 1m and 65cm.
    Oak: 197cm – 1m and 97cm.
    Gold
    Allotment 1 is 32m.
    Allotment 2 is 48m.
    The difference is 16m.
    £8×12= £96
    £5×12=£60
    You would save £36

  30. Adam O.

    Bronze:
    • 12 + 14 = 26 cm
    Silver:
    Tree________Height (cm)____Height (m and cm)
    Maple_______173cm_______1m and 73cm (1.73m)
    Crab Apple___179cm_______1m and 79cm (1.79m)
    Snow Gum___184cm_______1m and 84cm (1.84m)
    Cercis_______165cm_______1m and 65cm (1.65m)
    Oak_________197cm_______1m and 97cm (1.97m)

    Gold:
    1. a. The perimeter of allotment one is 8×4 = 32m and allotment two is 12×4=48m.
    b. The difference in perimeters is 48-32=16m
    2. The whole fence will cost 48mx8£= 384£
    The reduced fence will cost 48×5=240 £ I would save 384-240=144 £

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