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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.
- Resource details
- Purpose
- Teaching resource Teaching strategies
- Audience
- Teachers
- Format
- Webpage
- Publisher
- Open Middle
- Copyright
- © 2016-2021 Open Middle Partnership. Creative Commons BY-NC-SA 4.0.
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Creating and continuing patterns - Level 1
Throughout the sequence of 8 lessons, students will explore skip counting using number lines, charts, and concrete materials to visualise and create patterns.
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Algebraic patterns continued (6 lessons)
In this sequence of 6 lessons, students analyse, describe, and create additive patterns by identifying rules, using repeated addition, and finding missing numbers in sequences.
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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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Time (9 lessons)
In this sequence of 9 lessons, students learn and estimate activity durations, order them, add times, use clocks for start/end times, and plan a party within a set time.
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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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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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Draw, compose and decompose shapes
In this sequence of 9 lessons, students learn how to multiply numbers using a written vertical algorithm. Arithmetic sequences build progressively across year levels.
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