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Year 3 Maths Challenge Spring 1

Miss Redhead

Bronze

1.John buys a pen for £1.70 and a notepad for £3.20. How much did he spend altogether?

2. Ryan bought three cakes for 22p each. How much did he spend?

Explain how to solve these problems.

Silver

Gold

Explain how you know.

Platinum

Imagine your family agreed to give you some pocket money every day for a month! You can choose from the following options:

  1. £10 every day
  2. £3 on the first day, £3.50 on the second, £4 on the third, and so on, increasing by 50p per day
  3. 1p on the first day, 2p on the second, 4p on the third, and so on, doubling each day.

Without doing any working out, which one would you choose, and why?

In a month with 31 days, how much money would you have by the end of the month, under each system? You may wish to explore using a spreadsheet…

In which months would option 1 be better than option 2?
If your family stopped your pocket money on day 8, which option would give you the most?
On which day of the month does option 3 become the most fruitful?
If you chose option 3, how many days would it be before you became a millionaire?

82 responses to “Year 3 Maths Challenge Spring 1”

  1. Robyn B.

    1. £4.90
    2. 66p

    1:0.612

    2: 0.921

  2. Sheik A.

    Silver
    Waylon £48p
    Talia £1.60p
    They altogether £2.8p
    Talia spend then waylon £1.12p

  3. Sheik A.

    Bronz
    1. Jhon £4.90p
    2.Ryan spend 66p

  4. Afsa P.

    Year 3 red
    Math
    BRONZE
    1. John spent £4.90.
    2. Ryan spent 66p.
    SILVER
    Talia spent £1.
    Waylon spent 48p.
    Talia and Waylon spent £1.48 altogether.
    Talia spent 62p more than Waylon.
    Lia spent £1.08.
    Marcus spent £2.16.
    They spent £3.24 altogether.
    Marcus spent £1.08 more than Lia.

  5. Lawan R.

    Bronze
    £4.90
    66p
    Silver
    Thalia spent 1.20 and Waylon 48p
    Gold
    20p 20p 20p 20p 20p

  6. Delilah R.

    1.John spends 4.90 because 1.70 + 3.20 =4.90 so he spent 4.90 altogether .
    2.Ryan spent 66p. Because 22+22+22=66 I added 3 x 22 =66 which equals 66
    silver:
    Waylon spend 48p
    Tapia spent 240p
    They spent 288 together
    Thalia spent 192 more

    Lia spent 108p
    Marcus spent 216p
    They spent 324p together
    Marcus spent 108p more
    Gold:
    I think Liam has 20p,10p,10p,10p and 50p because 20+10+10+10+50=1pound
    Platinum
    Id rather have 10 pound a day because it will add up till 310 pound after the 31 days

  7. Mojirolaoluwa S.

    Bronze:
    1. Add £1.70 + £3.20 = 4.90
    2. Because of the cake moni is 22p, we add 3 of the 22p, then we add it all together. 22p + 22p + 22p = 66p

  8. Delilah R.

    1.John spends 4.90 because 1.70 + 3.20 =4.90 so he spent 4.90 altogether .
    2.Ryan spent 66p. Because 22+22+22=66 I added 3 x 22 =66 which equals 66
    silver:
    Waylon spend 48p
    Tapia spent 240p
    They spent 288 together
    Thalia spent 192 more

    Lia spent 108p
    Marcus spent 216p
    They spent 324p together
    Marcus spent 108p more

  9. Janelle O.

    Bronze
    1.£4.90p
    2.Ryan spent 66p.
    Explanation:
    1.1.70+3=4.90 altogether.
    2.22p for 1 cake then 3 was will be 22p+22p+22p=66p.
    Silver
    1 raspberry cost 24p.
    Waylon bought 2 raspberries=2x24p=48p
    Talia bought 2×5 raspberries =10x24p=£2.40p
    Altogether Waylon and Talia spent 48p+$2 40p=£2.88p.
    We take away waylons 48p from Talia`s £2.88p which is equeal to £1.92.

    1 peach cost 36p.
    Lia bought 3 peach Marcus brought 2×3 peaches=6 peaches.Lia spent =3 peaches x36p=£1.08p.
    Marcus spent=3 peaches x36p=£2.16p.
    We add Lia`s £1.68+Marcus `s £2.16p=£3.24p.
    Gold
    3 coins add up to 30p
    10p,10p,10p
    3 of the coins add up to 40p
    10p, 10p, 20p
    All the 5 coins add up to £1
    10p,10p,10p,20p,and 50p.

  10. Yahya K.

    BRONZE
    1. John spent £4.90.
    2. Ryan spent 66p.
    SILVER
    Talia spent £1.
    Waylon spent 48p.
    Talia and Waylon spent £1.48 altogether.
    Talia spent 62p more than Waylon.

    Lia spent £1.08.
    Marcus spent £2.16.
    They spent £3.24 altogether.
    Marcus spent £1.08 more than Lia.

    GOLD
    1. 10p
    2. 20p 10p 10p
    3. 50p 10p 10p 10p 20p

  11. Welat M.

    Bronze:
    1. £1.70 + £3.20=£4.90.
    2. He spend 66p because 3×2=6 so that means 3×22=66.
    Silver:
    Waylon spent 48p
    Talia spent £2.40
    This means it makes £2.88 altogether because 2+0=2 and 40+48=88.
    Talia spent £1.92 more pounds than Waylon because £2.40-.48p=1.92
    Lia : 3×36=108
    Marcus: 6×36=216
    Lia and Marcus spent : 108+216=324.
    Marcus spent 108p more than lia.
    Gold
    10p, 10p, 10p,20p,50p

  12. Anish B.

    Bronze

    1.John buys a pen for £1.70 and a notepad for £3.20. How much did he spend altogether?

    We need to add £1.70 and £3.20, which gives £4.90

    2. Ryan bought three cakes for 22p each. How much did he spend?
    3 times 22p, which is 22+22+22= 66P
    Explain how to solve these problems.

  13. Ahmed K.

    Bronze
    John spends 4.90 pounds
    Ryan spent 66p on 3 cakes

  14. Ravi P.

    Bronze
    1- Jhon spend 4.90
    2- Ryan spend 66p

    Silver
    Thalia spend 2.88 on raspberries.
    Marcus spend 2.16.
    Lia spend 1.08.

  15. Ahmed O.

    Bronze

    1.John buys a pen for £1.70 and a notepad for £3.20. How much did he spend altogether?
    Add £1.70 + £3.20
    Explanation: 70p + 20p = 90, £1. + £3 = 4, £4 + 90p = £4.90

    2. Ryan bought three cakes for 22p each. How much did he spend?
    22 + 22+ 22
    Explanation: 20+ 20+ 20= 60, 2+2+2=6, 60+6= 66

  16. Ahmad R.

    1.£1.70+£3.20 =£4.90
    2.I know 66 because 22p x 3 =66p
    Silver:
    1. Tails spent £2.40 and Waylon spent 48p. They spent £2.88 altogether and Taila spent £1.92 more than Waylon.
    2. Lia spent £1.08 and Marcus spent £2.16. They spent £3.24 and Marcus spent £1.08 more than Lia.
    Gold:
    10p, 10p, 10p,20p,50p

  17. Vaneza S.

    1.70+3.20=4.80
    2. 22 + 22+ 22=66
    I added all the number.
    Waylon spend 48.
    Talia spend 2.40
    Together 2. 88
    1.92 more
    3.Lia spend 1.8
    Together 2.16
    Marcus spend 1.8 more .

  18. Khadijah M.

    Bronze
    1. £1.70 and £3.20 makes £4.90 altogether because 1+3=4 and 70+20=90.
    2. 66 because 22×3=66 and also 22+22+22=66.
    Silver
    1. Waylon spent 48p
    Talia spent £2.40
    This means it makes £2.88 altogether because 2+0=2 and 40+48=88.
    Talia spent £1.92 more pounds then Waylon.
    2. Lia spent £1.08 pounds. Marcus spent £2.16 pounds. This means altogether they spent £3.24 pounds because 1+2=3 and 8+16=24. Marcus spent £1.08 more pounds than Lia.
    Gold
    Liam has 5 coins
    10p+10p+10p=30p
    20p+10p+10p=40p
    20p+20p+20p+20p+20p=£1.00
    Platinum
    The best option is Option 3, because the numbers go up to £10,737,418.20.
    First option I Will have £310 at the end of the month
    Second option I Will have £325.50 at the end of the month
    Third option I Will have £10,737,418.20 at the end of the month
    Option 1 will be better than option 2 in February (28 days).
    Option 1 will give me the most by day 8.
    On the 31st day of the month with £10,737,418.20 will become the most fruitful
    It will take 28 days for me to become a millionaire with £1,342,177.28

  19. Sayda A.

    Bronze:
    1. £1.70+ £3.20= £4.90
    2. 22+22+22= 66 or 22×3=66
    Silver:
    1. Waylon spent £0.48.
    Talia spent £2.40.
    They spent £2.88 in total.
    Talia spent £1.92 more than Waylon.
    2. Lia spent £1.08
    Marcus spent £2.16
    They spent £3.24 in total.
    Marcus spent £1.08 more than Lia.

    1. Sayda A.

      Gold:
      10p,10p,10p,20p,50p

  20. Ravi P.

    Ther was 5 appols right that eecols 25 because 5 x 5 eecol 25
    So ya I have get it crect.
    Mrs klica and Mrs wurca

  21. Yoshita P.

    1. £4.90
    2. 66p I solved this by sepperrating the number then adding the then then the ones.
    Waylon spent 48 P
    Talia spent £2.40 p
    alltogether they spent £2.88p
    Talia spent £1.92 more
    Lia spent £1.08
    Marcus spent £2.16
    Marcus spent £1.08 more

  22. Safa S.

    Maths
    Bronze
    1. £1.70 + £3.20= £4.90
    2. 22p ×3 = 66p cakes.
    Silver
    24× 2 raspberry waylon spend =48p
    Talia 24×10=2.40 Talia spend £2.40
    £2. 40+48 =£2.88 Althogether
    Taila spend more £1.92
    Iia 36×3= £ 1.08 Marcus = 36×6 £2.16
    £2.16 +£1.08 £3.24=£2.16 – £108=£1.08 Marcus spend more than lia.

  23. Amirah T.

    Bronze

    1.John buys a pen for £1.70 and a notepad for £3.20. How much did he spend altogether?

    John spent £4.90 altogether. The sum is £1.70 + £3.20 = £4.90.

    2. Ryan bought three cakes for 22p each. How much did he spend?

    Ryan spent 66p. The sum is 22p x 3 = 66p.

    Silver:
    Waylon spent 48p and Talia spent £2.40.
    The sums are as follows. 2 x 24p = 48p and 10 x 24p = 240.

    Waylon and Talia spent £2.88 altogether. The sum is £2.40 + 48p.

    Talia spent £1.92 more than Waylon. I have shown the working out for this answer in my homework book and will bring it in.

    Lia spent £1.08 and Marcus spent £2.16. The sum is 3 x 36 = 108 and 6 x 36 = 216.

    Lia and Marcus spent £3.24 altogether. The sum is 108 + 216 = 324.

    Marcus spent £1.08 more than Lia. The sum is 216 – 108 = 108.

    Gold:
    The coins that Liam has are 10p, 10p, 10p, 20p and 50p.

    Platinum:
    I would choose option 1 because it seems I would have a lot of money.

    I used a spreadsheet for my answers. I will print the spreadsheets and will put it into my homework book.

    In which months would option 1 be better than option 2?

    Option 1 would be better than option 2 in February because there are 28 days in February and £10 x 28 = £280.

    If your family stopped your pocket money on day 8, which option would give you the most?

    Option 1 would give me the most pocket money, £10 x 8 = £80.

    On which day of the month does option 3 become the most fruitful?

    For option 3, day 19 and onwards becomes the most fruitful because I will have saved £655.36, which is more than options 1 and 2. For example, for options 1 and 2, by the end of the month I will have only saved £310 and £325.50 where the month has 31 days.

    If you chose option 3, how many days would it be before you became a millionaire?

    It would take me 27 days before I become a millionaire. After this, I would choose option 3 because I would have a lot of money at the end of the month!

  24. Nihal P.

    Bronze:
    1- John spent £4.90.
    £1.70 + £3.20 = £4.90

    2- Ryan spent 66p.
    22p x 3 = 66p

    Silver:
    9-
    Waylon spent 48p.
    2 x 24p = 48p

    Talia spent £2.40.
    10 x 24p = £2.40

    Altogether they spent £2.88.
    48p + £2.40

    Talia spent £1.92 more than Waylon.
    £2.40 – 48p = £1.92

    10-
    Lia spent £1.08.
    36p x 3 = £1.08

    Marcus spent £2.16.
    36p x 6 = £2.16

    Altogether they spent £3.24.
    £1.08 + £2.16 = £3.24

    Marcus spent £1.08 more than Lia.
    £2.16 – £1.08 = £1.08

    Gold:
    Liam has 10p, 10p, 10p, 20p and 50p
    Three coins to make 30p
    10p + 10p + 10p = 30p
    Three coins to make 40p
    10p + 10 + 20p = 40p
    Five coins to make £1
    10p + 10p + 10p + 20p + 50p= £1

    Platinum
    Before calculating I would choose option 1 first, this is because £10 is a a lot of money to get everyday.

    After I worked it out on a spreadsheet, I would choose option 3.
    31 days –
    Option 1 = £310
    Option 2 = £335.50
    Option 3 = £21,474,836.47

    Option 1 is better than 2 in the month of February.

    If the money was stopped on day 8, option 1 would be the best of £80.
    Option 1 = £80.00
    Option 2 = £38.00
    Option 3 = £2.55

    On day 14 option 3 becomes more fruitful.
    Option 1 = £140
    Option 2 = £87.50
    Option 3 = £163.83

    On day 27 with option 3 I would become a millionaire.

  25. Alima S.

    He spend £.4 £.90.
    It is 66p.
    I solve it out by counting.
    Liam has 40p.
    Silver he send 36p.
    They spend 46p.
    altogether is 56p.Marcus spend 77p.

  26. Hussein H.

    Bronze:
    1.John buys a pen for £1.70 and a notepad for £3.20. How much did he spend altogether? 1. He spent £4.90.
    2. 66p
    2. Ryan bought three cakes for 22p each. How much did he spend?
    He spent 66p.
    Sliver
    Waylon spent 48p.
    Talia spent £2.40
    All together they spend: 240+48= £2.88
    Talia spent £1.92 more than Waylon because 240-48=190
    Gold
    Liam has five coins.
    10+10+10=30
    20+10+10= 40p
    10+10+10+20+50= £1

  27. Haarun M.

    £4.90
    66p
    You add them all together.

  28. Arfa S.

    Bronze

    1. John spent altogether £4.90.

    2. Ryan spent 66p.

    Silver

    9. Waylon spent 24 x 2 = 48p
    Talia spent 24 x 10 = 240p

    They spent altogether:

    240 + 48 = 288p

    Talia spent 192 more than Waylon

    240 – 48 = 192

    10.

    Marcus spent 36 + 36 + 36 = 108

    Lia spent 36 + 36 + 36 + 36 + 36 + 36 = 216

    altogether they spent 108 + 216 = 324

    Lia spent 216 – 108 = 108p more than Marcus

    Gold

    10 10 10 20 50

    Platinum

    option 1 = £310
    option 2 = £325.5
    option 3 = £21474836

    Month Feb option 1 is better than option 2
    on day 8 option 1 give me more.
    11th day of the month option 3 become more fruitful
    it takes me 28 days to become millionaire.

  29. Umar S.

    Bronze

    1. John spent altogether £4.90.

    2. Ryan spent 66p.

    Silver

    9. Waylon spent 24 x 2 = 48p
    Talia spent 24 x 10 = 240p

    They spent altogether:

    240 + 48 = 288p

    Talia spent 192 more than Waylon

    240 – 48 = 192

    10.

    Marcus spent 36 + 36 + 36 = 108

    Lia spent 36 + 36 + 36 + 36 + 36 + 36 = 216

    altogether they spent 108 + 216 = 324

    Lia spent 216 – 108 = 108p more than Marcus

    Gold

    10 10 10 20 50

    Platinum

    option 1 = £310
    option 2 = £325.5
    option 3 = £21474836

    Month Feb option 1 is better than option 2
    on day 8 option 1 give me more.
    11th day of the month option 3 become more fruitful
    it takes me 28 days to become millionaire.

  30. Muhammed K.

    Bronze
    1) 4.90
    2) 66p

    Silver
    48p and 2.40. Altogether they spent 2.88. She spent 1.92 more than him.

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