Phone: +64 9 5797997 Auckland New Zealand
On this page is information about competitions and activities for your students
Click the blue headings for more information
Mathex is a challenging and fast-paced mathematics contest where teams of four students compete against each other to answer questions as quickly as possible. AMA run the Mathex competition for years 7 to 10 over two nights in August.
Mathsweek is New Zealand’s premier online maths event attracting an audience of over 250 000 students teachers and parents. Mathsweek takes place in August each year.
This is a team competition for students of year 13 calculus. Calcex is held at venues across New Zealand in the last week of term 3. It is the brainchild of Jamie Sneddon.
This competition is for students in years 9 to 11 and was initiated in 1985 by Professor Derek Holton of the University of Otago Mathematics and Statistics Department. The competition attracts around 10 000 entries from 250 schools each year. It takes place on the same day across New Zealand.
There are some coloured counters in a bowl.
1/4 are black.
1/5 are green.
1. a) Are there more black or more green counters in the bowl?
More Black / More Green (Tick response)
b) Show how you got your answer. You can use words and pictures.
a) Which of these is closest to 3/5
b) Explain why you think this. You can use words and pictures.
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Number and algebra.
To download a printable version of this game, use the links below. There are three sets - set A is the easiest and set C is the most difficult. If you print double sided, then the cards will have an NRICH logo on the back. Otherwise, you can just print the first page. Set A , Set B , Set C
The aim of this game is to match pairs of cards.
Click on a card in the interactivity below to turn it over. Then click on another one. If the two cards match, they will stay face-up. If the two cards do not match, they will return to being face-down.
The game ends when all the cards have been matched in pairs.
Click on the links below if you would like to try some alternative versions of the Level 1 game:
Once you've mastered Level 1, there are four more levels to try, getting progressively more difficult:
What strategies did you use to work out that two cards matched? Which pairs did you find easy to match? Which pairs did you find more difficult to match?
We would love to hear about the strategies you used as you played the game.
A pupil from Gamlingay Village Primary sent in the following:
At first my card choices were random, but when I had remembered some cards I tried to match them and remember what was on each card. I also tried to convert the numbers on the cards into the same thing (e.g: decimals, fraction or percentage), which made it easier to tell if they matched one I had remembered.
Madeleine from the British School of Manila in the Philippines had a similar strategy:
My strategy was to look at random ones and guess at the beginning, then at the end I would remember where pairs were and do them quickly.
Callum from Wembrook Primary School wrote:
All you have to do is memorise the cards you have already flipped over and when you find one either in a decimal, a percentage or a fraction you have already found just match it to the equivalent card.
Erik from International School of the Hague (ISH) in the Netherlands wrote:
I did the matching fractions, decimals and percentages problem. The fastest way to get all the cards matched (if you are on cards up) is focusing on the easiest ones first. After you have matched all the easy ones, you have narrowed down the hard ones' possible answers. If you start on the harder ones, you will be looking through the flash cards to find an answer, and that will take you longer and you will get a higher time. Don't work hard, work smart.
Christopher from England wrote:
I recorded what each square was on a piece of paper as a fraction in its simplest form. Then, I matched them up, ticking them off as I went.
Mark from the International School of the Hague wrote:
First, I converted all the irregular values to decimals, to make them equal. For fractions, I converted the denominator to a hundred and then the numerator accordingly, so that the denominator was equal to hundred. The numerator was then the tenths and hundredths place of the decimal.
For the shapes, I counted how many there were in total and then how many were shaded to a fraction. The number of how many were shaded was the numerator and the total number was the denominator, I then did the same process as the fractions. And completed it.
Mahdi from Mahatma Ghani International School in India focused on finding the pairs as quickly as possible with the cards face-down, once you are already fluent with converting between the fractions, decimals and percentages. This is Mahdi's strategy:
For the face-down cards, I started to open the cards two at a time, labeled 1 and 2. If the two match, I open the 3rd and the 4th and continue. If 1 and 2 don't match (which is very likely), I proceed to open the 3rd one. I then recall whether the 3rd matches with any of the previous ones (1 and 2) in any simplified form. If not, I open the forth and continue. This was the general strategy I followed.
Also, I found out that [by] the 9th card I will definitely have a match. This is due to the pigeon-hole principle (if the first 9 cards were all different to each other, then they would each still have a pair somewhere else - so there would be 9 partner cards - but there are only 16 cards altogether) . So, in the worst-case scenario every card from 1 to 8 has a corresponding match from 9 to 16 in some order. Thus when I open the 9th card it will definitely have a match for one of the 1-8 cards. This makes the strategy easier because I only have to memorize cards till 8 if there is no match. Otherwise, the game will get a lot easier if I luckily get a match before that.
This game can be played to improve students' recognition of equivalent fractions, decimals and percentages.
Level 1 on the interactivity uses cards from Set A. Level 2 on the interactivity uses cards from Sets A & B. Level 3 on the interactivity uses cards from Set B. Level 4 on the interactivity uses cards from Sets B & C. Level 5 on the interactivity uses cards from Set C.
Bring the class together and ask for any tips or strategies that help with the game. You could invite students to create their own sets of cards that they can share and use to play different versions of the game.
What could match with 0.3? What could match with 25%? What could match with $\frac35$? Which cards did you find easier to match? Which cards did you find more difficult to match?
Encourage students to play in face-up mode a few times before moving on to face-down mode.
Matching Fractions can be used to help children develop their understanding of fractions before moving on to this activity.
The home of mathematics education in New Zealand.
Thanks for visiting NZMaths. We are preparing to close this site by the end of August 2024. Maths content is still being migrated onto Tāhūrangi, and we will be progressively making enhancements to Tāhūrangi to improve the findability and presentation of content.
For more information visit https://tahurangi.education.govt.nz/updates-to-nzmaths
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Site search, search the education counts website, find pages with, narrow results by:, developing mathematical inquiry communities:, 05 problem and launch.
In this video Associate Professor Bobbie Hunter explains the importance of coming up with problems that have genuine mathematical value, that connect to big, worthwhile mathematical ideas, that will lead to understandings that will set them up for success at high school.
Leaders from Otumoetai Intermediate discuss how they go about collaboratively devising such problems and then planning the 'launch'. The 'launch' is where the problem of the day is introduced to the children. It is crucial on two counts: the children must understand the problem and believe that it is worth applying themselves to.
This video does not discuss the 'connect', the concluding part of the lesson where the children share how they went about solving the problem and the teacher ties their learning into the big idea.
This video provides a window into these critical success factors …
Specialist providers and New Zealand Ministry of Education and central government education agency staff, can contact the Ministry of Education Library for access to the key evidence. For anyone else requiring this material, you can contact your institution or local public library.
Developing Mathematical Inquiry Communities (DMIC) Videos:
*BRAND NEW* Self-paced Introduction to Counting & Probability. Enroll today!
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COMMENTS
This section of the nzmaths website has problem-solving lessons that you can use in your maths programme. The lessons provide coverage of Levels 1 to 6 of The New Zealand Curriculum. The lessons are organised by level and curriculum strand. Accompanying each lesson is a copymaster of the problem in English and in Māori.
The problems have been grouped below by strand. Hover over each title to read the problem. Choose a problem that involves your students in applying current learning. Remember that the context of most problems can be adapted to suit your students and your current class inquiry. Read more about using these problem solving activities.
The problems have been grouped below by strand. Hover over each title to read the problem. Choose a problem that involves your students in applying current learning. Remember that the context of most problems can be adapted to suit your students and your current class inquiry. Read more about using these problem solving activities.
Problem-solving Schools expand_more. What is the Problem-solving Schools initiative? ... Geometry and measure. 3D geometry, shape and space. Transformations and constructions. ... that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids. problem Journeys in Numberland. Age. 7 to 11 Challenge level.
Free lesson on Geometrical Problems in Coordinate Geometry, taken from the Linear Equations topic of our New Zealand NCEA Level 2 textbook. Learn with worked examples, get interactive applets, and watch instructional videos.
The Problem Challenge competition has been running since 1991. Each year Intermediate School children tackle 25 challenging maths questions of a problem solving nature. These questions have been collected together in six books, along with fully worked solutions, suggestions for extension activities and an introduction to problem solving.
Use geometry skills when solving problems. Statistics. 9.10. Investigate a given data set using the statistical enquiry cycle. Level 1. 91027. 1.2 (Under Development) Apply algebraic procedures in solving problems. 4 credits. External. 91032. 1.7 (Under Development) Apply right-angled triangles in solving measurement problems. 3 credits.
Successful mathematicians understand curriculum concepts, are fluent in mathematical procedures, can solve problems, explain and justify their thinking, and have a positive attitude towards learning mathematics.. For problems arranged by curriculum topic and age group, see our Secondary Curriculum Mapping Document. The tasks, with short descriptions, also appear in the collections below ...
Maths — No Problem! resources, step-by-step teaching support, and online PLD videos are a click away. Request a free demo to see how it all works, or email [email protected] for more information. Designed for New Zealand Primary learners, Maths — No Problem! approach to maths mastery is proven to raise attainment and build maths ...
Year 6 maths. Here is a list of all of the maths skills students learn in year 6! These skills are organised into categories, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!
Year 8 maths. Here is a list of all of the maths skills students learn in year 8! These skills are organised into categories, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!
Year 11 maths. Here is a list of all of the maths skills students learn in year 11! These skills are organised into categories, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!
What is Problem Challenge? Problem Challenge is a mathematics problem solving competition aimed primarily at children in years 7 and 8 but may be of interest to mathematically gifted children in year 6. It has been offered to schools throughout New Zealand for the past 33 years. The response to the competition has been overwhelmingly positive.
Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.
The problems have been grouped below by strand. Hover over each title to read the problem. Choose a problem that involves your students in applying current learning. Remember that the context of most problems can be adapted to suit your students and your current class inquiry. Read more about using these problem solving activities.
Whether it be flying trapeze, participating in competitive weightlifting or solving math problems that have confounded academics for decades, Mandi Schaeffer Fry enjoys chasing the next adventure.Schaeffer Fry, who joined the University of Denver's Department of Mathematics in the fall of 2023, will be the first faculty member since the 1880s to be published in the Annals of Mathematics ...
Numicon is aligned with the NZ Curriculum and is flexible to provide opportunities. Numicon is based on years of thorough research from international experts in learning and maths education - Vygotsky, Gattegno, Piaget, Skemp, Sfard, Bruner, Davydov, Wing, Mason and others. It is continually being updated to meet the needs of all learners.
Early Stage 5 to 6 (Phase 1-2) Differentiated Multiplication and Division Word Problems. 4.5 (2 Reviews) Maths Problem Solving Challenge Cards - Level 2-3. 4.8 (11 Reviews) Magic Square 5x5 Worksheets. 4.9 (9 Reviews) The Thief at Gideon Gold's Chocolate Factory Place Value. 4.8 (4 Reviews)
The AMC is an engaging 30-problem competition that demonstrates the importance and relevance of mathematics in students' everyday lives. The AMC has had more than 15 million entries since 1978 with students from 30+ countries attempting the same problems each year. Held in term 3, the AMC has five divisions: Middle Primary (years 3-4 ...
In an increasingly technological age, the need for innovation, and problem-solving and decision-making skills, has been stressed in many reports on the necessary outcomes for education in New Zealand. Mathematics education provides the opportunity for students to develop these skills, and encourages them to become innovative and flexible problem
NZ Maths Week Daily Challenge. 5.0 (2 Reviews) Level 3-4 Maths Problem Solving Challenge Cards. 4.9 (8 Reviews) Scuderia Ferrari F1: The Mystery of the Final Grand Prix Racetrack Maths Mystery Game [Year 7-8] 4.9 (7 Reviews) Time, Length and Capacity Problem Solving Challenge Cards. 5.0 (4 Reviews)
The problems have been grouped below by strand. Hover over each title to read the problem. Listed under 'Units' are extended problem solving investigations which aim to introduce students to an underlying idea of mathematics through a problem. Choose a problem that involves your students in applying current learning.
University of Auckland mathematics education senior lecturer Lisa Darragh told ... things like problem-solving, logic and reasoning or communicating your mathematical thinking," she said ...
Our selection of Maths worksheets are great for your kids to practise solving different mathematical problems. Some of our Maths worksheets resources also come with a handy answer key for easy marking. They are ideal for NZ Years 4-6 Maths. With our handy maths worksheets, children will learn about: geometry; money; problem-solving; measurement ...
I did the matching fractions, decimals and percentages problem. The fastest way to get all the cards matched (if you are on cards up) is focusing on the easiest ones first. After you have matched all the easy ones, you have narrowed down the hard ones' possible answers.
Piece of String 3. Polyominoes 3. Cubes 2. Visit 3. Fish 3. Rectangle Problem. A Toy Problem 3. A Toy Problem 4. Square Pegs in Round Holes.
The 'launch' is where the problem of the day is introduced to the children. It is crucial on two counts: the children must understand the problem and believe that it is worth applying themselves to. This video does not discuss the 'connect', the concluding part of the lesson where the children share how they went about solving the problem and ...
Small live classes for advanced math and language arts learners in grades 2-12. Visit AoPS Academy ‚ Find a Physical Campus Visit the Virtual Campus
In Year 1, Year 2 and Year 3 Math, children in New Zealand will learn about: Algebra; Geometry; Measurement; Money; Number Knowledge Number Strategies Numeracy Problem Solving; Statistics; Our worksheets are made by teachers and are perfect for NZ primary school children to complete during maths lessons or even at home.