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Guide and features
Science, Technology, Engineering and Mathematics
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Excel Interactive Resource: Interactive Division
Stage: 3 and 4
This Excel file
just lightens the computation burden for division, allowing the teacher and student to discuss the process and explore the relationships between the process elements.
Some terms: the Dividend (quantity to be divided) is divided by the Divisor to produce a Quotient with possibly a Remainder.
Personally, I like to have some investigative activity somewhere in the mix, whatever I'm teaching.
Here's a few starter ideas for division (clearly depending on the level of your students):
You may wish to draw attention to the change in remainder as the dividend increases in steps of 1 or in divisor-size steps.
For a specific divisor, ask students for a dividend that gives a specific remainder. For example: ask students to choose a dividend between 210 and 220, which when divided by 6, gives a remainder of 3.
For divisors of 3, and also of 9, invite students to notice a connection between the dividend's digit sum (the sum of the digits in the dividend) and the remainder. And then to account for the relationship observed.
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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
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