How to spend $20


Open-ended problem solving

Code: E51130-01
How to spend $20 Cover

An open-ended maths problem, this activity expands rather than restricts thinking, heightening students' awareness that problems can have multiple solutions. Students need to show different ways Ollie could have spent $20 at the shop based on the given ticketed items.

Like this activity? See Open-ended Problem Solving: Bk 1 for other maths problems that can be solved in more than one way.
Available in hard copy book and digital ebook formats.

Resource Types: | Pages: 1 | Years: 3-4

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About the Author

Picture of Harry O'Brien
Harry O’Brien is an experienced primary-school teacher and an award-winning author. Through working in a wide range of schools with various socio-economic backgrounds, Harry has developed a finely tuned understanding of what students can achieve and draws on this knowledge in his writing. Over a period of 25 years he has written numerous bestselling primary textbook series, including the Maths Plus Series. Harry is the creator and major author of the highly successful Maths Box: Lime, Orange and Aqua and the Reading Box: Yellow, Blue, Red and Green. In addition to his busy publishing and writing workload, Harry oversees the day-to-day running of Teachers 4 Teachers Publications Pty Ltd.