Open-ended Problem Solving: Lower Secondary Cover

Open-ended Problem Solving: Lower Secondary

Meaningful activities to develop students' skills and strategies

This Open-ended Problem Solving resource for lower secondaryschool, is designed to support students who need practice to build their skills and strategies. It provides challenging questions that get students thinking mathematically on a regular basis. In using more than one strategy to answer a specific question, young mathematicians also learn that problems can be solved in more than one way and can have multiple solutions.

Ages: 13-14 | Pages: 60 | Code: 51134 | ISBN: 9781776556663

Add to cart
or more each
Book (physical) - A good old fashioned printed book, ideal if you like the feeling of holding it in your hand as you flip through the pages. We will ship your books from our warehouse within 1-3 days.
Ebook (PDF) - You can download, read and print with any PDF reader. Ebook PDFs are available immediately and can be accessed via your filebox or from the link we will email you once you have confirmed your purchase.
Combo (book & PDF) - Save money by getting a PDF and a physical book together, giving you the flexibility of a print and digital version at your fingertips. Printed books allow you to share and pass around the resource with your colleague. The PDF ebook is easy for you to access on the go if your print copy is with a colleague or left at school.

Orders are normally dispatched within 1 to 3 business days. Goods are shipped by New Zealand Post or by local courier, depending upon the location, with a delivery expectation of 1 to 3 business days. We will email dispatch confirmation and tracking details.

International Orders
We are happy to supply orders from outside Australia and New Zealand. Orders will be dispatched by International Air which has delivery expectations of 3-21 business days depending upon your location.

We offer a 14-day inspection with freepost return on all printed products.
Please be aware that we cannot offer an approval period or accept returns on digital resources, so orders for these resources are final.

Credit Card - Pay securely with Visa or Mastercard when you check out.

Invoice your school - Select your school when you check out. You will need a school order number.

Picture of Harry O'Brien

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.


Square and rectangular shaped numbers5
Making numbers 16
Making numbers 27
Carnival dates8
Soccer combinations9
Which new truck?10
Missing keys11
How many ways? 112
How many ways? 213
Memory function14
Hone's bike lock15
Remainder 316
Remainder 417
Areas of courtyards18
Ava's secret numbers19
How old is Leo?20
Getting to camp21
Basketball fractions23
William's wages24
What perimeters?25
Costing a journey26
Order of operations 127
Order of operations 228
Volumes of buildings29
The jewellery store robbery30
The bank teller31
Soccer registrations32
Spend a million33
Water, water34
Getting to school35
Who went to Adventure Island?36
Roman numerals37
Packaging problems38
The shipping container39
A pallet of olive oil40
Lucy's boutique41
Taxi, taxi, taxi42
Charter jet43
$28 change45
House and land46
Louis the brickie47
Surf shop roster48
Pizza! Pizza! Pizza!49
Square, cube and rectangular shaped numbers50
Carnival time51
Grocery items52
The dentist53