This is level 2: sort a random collection of numbers between 10 to 99 by clicking the purple buttons to swap pairs of numbered cards.
The numbers are not in the correct order. Keep trying.
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Transum.orgThis web site contains over a thousand free mathematical activities for teachers and pupils. Click here to go to the main page which links to all of the resources available. Please contact me if you have any suggestions or questions. 
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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician? Comment recorded on the 6 May 'Starter of the Day' page by Natalie, London: "I am thankful for providing such wonderful starters. They are of immence help and the students enjoy them very much. These starters have saved my time and have made my lessons enjoyable." Comment recorded on the 1 August 'Starter of the Day' page by Peter Wright, St Joseph's College: "Love using the Starter of the Day activities to get the students into Maths mode at the beginning of a lesson. Lots of interesting discussions and questions have arisen out of the activities. 
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Numeracy"Numeracy is a proficiency which is developed mainly in Mathematics but also in other subjects. It is more than an ability to do basic arithmetic. It involves developing confidence and competence with numbers and measures. It requires understanding of the number system, a repertoire of mathematical techniques, and an inclination and ability to solve quantitative or spatial problems in a range of contexts. Numeracy also demands understanding of the ways in which data are gathered by counting and measuring, and presented in graphs, diagrams, charts and tables." Secondary National Strategy, Mathematics at key stage 3 

Go MathsLearning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths main page links to more activities designed for students in upper Secondary/High school.  
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© Transum Mathematics :: This activity can be found online at:
www.Transum.org/go/?Num=790
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Level 1  Sort the numbers 1 to 9 from smallest to largest
Level 2  Sort a random collection of numbers between 10 to 99
Level 3  Sort positive and negative whole numbers
Level 4  Sort decimals
Level 5  Sort fractions
Level 6  Sort a mixed collection of numbers
Level 7  Sort the tricky multiplication facts
More on this topic including lesson Starters, visual aids, investigations and selfmarking exercises.
Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you donâ€™t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.
Currently the fastest time in the last 30 days for this level (Level 2) has been achieved by Donna Luckock29 with a time of 0:14 (that is 14 seconds) on Monday, January 9, 2023. Can you beat that? If you can make sure you claim a trophy because that is how fast times are officially recognised.
Donna Luckock29
0:14