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The Virtual Textbook
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
HCF and LCM
The first interactive sheet shows a table of pairs of integers for students to reveal the factors and sets of multiples. The HCF and LCM can be revealed. New pairs of digits can be shown, either easy or more challenging. Each number is shown as the product of its prime factors.
The next two sheets show sets of pairs of numbers, for students to explore the relationship between the product, HCF and LCM. The final interactive sheet similarly shows the relationship between the product, HCF and LCM for algebraic products.
There are a further five sheets of questions which may be duplicated for classroom use. These include finding the common denominator of algebraic fractions.
Note
This program was designed by be viewed on a screen with a resolution of 1024 x 768. Users may have to adjust the resolution of their screen for the pages to display as was originally intended. The program uses macros which need to be enabled on users’ machine.
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HCF and LCM 779.5 KB
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HCF and LCM 779.5 KB
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