Rolling over and rolling back 10 Cover

Rolling over and rolling back 10

Students revise how a number rolls over when 10 of any unit occur in addition, and rolls back when 10 of any unit occur in subtraction. These two pages have more than 40 addition and subtraction problems to be solved using this strategy, allowing students plenty of practice. Sums involve a 4 or 5 digit number + a one or two digit number.

Topics: Maths strategy
Years: 5-6 | Pages: 2 | Code: E0226-16

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Jackie Andrews

Jackie Andrews is one of Essential Resources’ most successful authors, with many thousands of her books sold around the world. Her success is backed by her extensive teaching experience in both New Zealand and the United Kingdom. That experience, combined with her assiduous approach to professional development and passion for supporting teachers, drives her to create resources that improve student outcomes and inform best teaching practice. Jackie currently has 75 titles in print, a number of which have been translated into other languages. Her wider range of mathematics and English publications reflect the diversity of her expertise throughout primary school, as well as her ability to respond to the specific needs of particular age groups and ability levels. Supporting teachers in their curriculum planning is another specialty area. Jackie’s Curriculum Planning Made Easy series has been immensely popular with teachers looking for practical and effective ways of planning classroom programmes. It also led to the creation of iUgo – a digital solution that is reshaping the landscape of classroom planning and resource management. Jackie has been a key player in developing the usability of iUgo and in training teachers to get the most out from it. Complementing her work in the publication sector Jackie continues to enjoy her time in the classroom. Many schools and teachers also seek out her advice on effective resourcing and teaching practice.
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Jude Callaghan

Jude Callaghan is a freelance educational consultant with over 40 years of experience in the education sector. Throughout her distinguished career, she has shown an enduring commitment to fostering excellence in teaching and learning through the design and delivery of innovative, engaging programmes, particularly in the field of mathematics. Jude brings a wealth of professional expertise and creative insight to the Essential Resources writing team for mathematics.

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Suzi de Gouveia

Suzi is an enthusiastic principal of a Catholic school in Christchurch, New Zealand. She has international teaching experience and has had the pleasure of teaching in a multi-cultural environment. With over 20 years of teaching, Suzi has developed a wealth of ideas and resources to best help children with their learning.