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Open Middle problems
In an Open Middle problem, an expression is presented and students are challenged to find the numbers that will make the expression true. They are challenging, suitable for all year levels, cover most maths topics, and promote problem-solving and reasoning skills. On this site you will find a comprehensive range of problems.
Additional details |
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| Audience | Teacher |
|---|---|
| Purpose | Teaching resource, Teaching strategies |
| Format | Web page |
| Teaching strategies and pedagogical approaches | Differentiated teaching, Feedback |
| Keywords | number talk, mathematical language, vocabulary |
Copyright details |
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| Organisation | Open Middle |
| Copyright | © 2016-2021 Open Middle Partnership. Creative Commons BY-NC-SA 4.0. |
Related resources
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Multiplying and dividing by 2-digit numbers
A series of student tasks to explore multiplying and dividing by 2-digit numbers that includes a video, quiz and exit ticket.
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Multiples of 1,000
A series of student tasks to understand multiples of 1000 that includes a video, quiz and exit ticket.
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Understanding percentages
A series of student tasks to understand and apply percentages that includes a video, quiz and exit ticket.
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Statistics
A series of student tasks to develop an understanding of angles, fractions and percentages to construct pie charts that includes a video, quiz and exit ticket.
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Comparing fractions
A series of student tasks to explore fractions that includes a video, quiz and exit ticket.
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Estimation and rounding
Students build estimation and rounding skills by working with decimals and significant figures.
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Understanding multiplicative relationships: fractions and ratio
This unit introduces the concept of multiplicative relationsihps, and connects fractions to the idea of ratios. Ratios are then explored in depth and used to solve contextual problems. Note the section on exchange rates does not include Australian currency.
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Graphical representations of linear equations
Students explore linear relationships through sequences, graphs, and equations, building understanding of positive and negative patterns.
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