Three wise guys (Balth, Melch and Gaz) each bought you a gift. The total cost of the gifts was £40. Find as many sets of gifts as possible which add up to £40

 £22 £15 £10 £24 £40 £7 £11 £14 £21 £19 £8 £11 £9 £20 £23 £25

Teacher: Collect together students' findings by clicking on the numbers above.

They don't add up to 40

## A Mathematics Lesson Starter Of The Day

 This activity is suitable for students of mathematics all around the world. Use the button below to change the currency symbol used to make it more relevant to your students. You may wish to choose an unfamiliar currency to extend your students' experience.

Topics: Starter | Arithmetic | Mental Methods | Xmas

You can find many more ChristMaths activities at:

Transum.org/ChristMaths/

• Chris Southward, Limehouse School Cumbria
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• Year 7 found four more which you haven't mentioned in your triplets summing to 34 list. 24,3,7 - 24,5,5 - 25,3,6, and 23,7,4
• Liz Masshedar, Peterlee
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• Just found this site. Already my year 6 pupils are reminding me to find the day's challenge. It is a really good resource to start the maths lesson and give them something to think about. Thanks!
• A O'Hagan, First year Holyrood Sec Glasgow
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• Cesco and Asim found two more...22,8,4 and 21,8,5. The whole class managed to find all the others.
• Mrs Humphreys' Maths group, Nevill Road Juniors, Bramhall, Stockport
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• We (year 6) found another 6 triplets that weren't mentioned.
• Class 5, Speyside
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• We found 10, did yoy find any more?
• Emma Roach,
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• We got 11 different triplets.
Did this with bottom set year 8 who loved doing it!
• P5, Giffnock Primary
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• P5 at Giffnock Primary School found 12 triplets!!
• Class 2/6, Lauren Cowie
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• This was too easy for us and not very challenging, and not up to the usual standard.
• Room 2 Maths, Taradale Intermediate
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• We are pretty choice, because we got 13!!
• Stewart, Direk Schools South Australia
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• Year 6/7 class found 12 combination.
•
• We got 14!
• M Ozog, Inverkiething High School
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• 4MA5 found 13
Well done.
• Mr M's Nice But Dim Group, Canggu Community School, Bali
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• Zac found 15, but then Zac can't count. We actually found 11 as a whole class, love the starters - keep it up!
• Miss Nixey, Dartington Primary School
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• Year 5 and 6 at Dartington Primary School found 15 different ways. Well done everyone!
•
• Dyce Academy got 15 triplets. We are very smart!
• Mrs Renny, BTJS
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• 5GR at Bishop Tufnell found 14 triplets!
•
• Katie Pasby, Hampton College
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• I found 17 triplets.
• Mrs Rush, Reepham High
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• 8MAH found 13 and are still looking!
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• Our S1 class got 15 triplets! Enjoyed this challenge.
• Year 10, Welshpool High School
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• We reckon there is lot more than 17. At least 30!
• Year 9 Set 3 2011, Welshpool High School, Powys, Wales
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• Kirsty found 16 which we thought was really good. Louis and Alistair found 14.Others ranged down to 3.
• Mr Morriss Class 7B3, Montgomery High School
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• We spend 5 mins individually and then gathered our answers together and got 16 as a class!!! We really enjoyed this task and got pretty competitive between ourselves and the rest of the Schools that commented on here!!
• 7b3, Derby High School
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• This is a good puzzle we'd like to see more like this.
• E Walters, Brigshaw High School
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• We found 18! We are good!
• Stewart, Lake Windemere
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• Room 17
Year 6/7 class found 16.
• Mr Gregory, Lincolnshire
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• We found 13! Mr Gregory reckons there definitely are no more than that (but he did miss one out earlier).
• Mrs Taylor, North Muirton
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• Our P6 class are awesome, we got 21! we love these challenges.
• Trevor Lewis, Nortonthorpe Hall School
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• We found 27 and then had to give up for time.
• 7 BM1, Harlow
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• We found 30 but we ran out of time!
• Kirsty . I . Brown, Selkirk, Scotish Borders (Selkirk High School)
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• This was a really good acivity and it was fun, I didnt do it at school but I did it at home and it was fun, I have a long list of sums that add up to thirty and it was really good, I would like to see more of this!
• Matthew, 3D, Craigslea State School
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• For a total of 40, I had these 14:
1. 27, 7, 6
2. 21, 11, 8
3. 15, 14, 11
4. 24, 10, 6
5. 22, 11, 7
6. 24, 9, 7
7. 26, 8, 6
8. 23, 9, 8
9. 25, 8, 7
10. 21, 10, 9
11. 22, 10, 8
12. 27, 8, 7
13. 23, 10, 7
14. 24, 9, 7.
• STEVE EASTOP, MARGATE, KENT. UK
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• The 4x4 grid that came up for me comprised of the numbers: 3,6,7,8,9,10,13,14,14,15,15,16,17,18,19 and 32.
I've found the following 13 triplets that total 32 (without double counting): (as there are two 13s and two 14s in the grid)
(3,10,16)
(3,13,16)
(3,14,15)
(6,7,19)
(6,8,18)
(6,9,17)
(6,10,16)
(7,8,17)
(7,9,16)
(7,10,15)
(8,9,15)
(8,10,14) and
(9,10,13).
• P6/7, St Elizabeths
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• We loved this problem and managed to find 26 solutions!
• S3, Speyside High School
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• We found 13 all together and had good fun too. Thank you!
• Star Primary,
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• Year 6 at Star Primary got 12! :).
• Year 6, AAESS
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• We enjoyed this activity and found lots of possible answers.
• Mrs Robinson, 8 - 3
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• We found 35 Y8 St Bernards.
• Mrs Anderson, Newark
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• We loved it. Pine Y5 got 46 tripllets! Well Done!
• Da Vinci, William Martin Junior School
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• One student got 30 possible answers. We enjoyed the activity.
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• Wow! this is a very good stater of the day. Already my Year 6s have found 29 sums, which Im really proud of! Fantastic!
• Mr Gray, Buscksburn Maths, Twitter
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• Came up with loads of combinations. Even more when we realised the website let us use the same number twice.
• Mr Ian Stevenson, Orched Head Primary School
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• Triplets are the best thing I have shown my class.
• Laura Whittaker, St Mark's
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• We found 27 different ways to make 40!
• All Saints Maths Department, Twitter
•

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## Maths T-Shirts

 Teacher, do your students have access to computers such as tablets, iPads or Laptops?  This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments: Transum.org/go/?Start=December10 However it would be better to assign one of the student interactive activities below.

Here is the URL which will take them to student version of this activity.

Transum.org/go/?to=Triplets

For Students:

For All: