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Wednesday, 28 December 2016 | 0 Comments

Like most teachers I write the date at the top of the whiteboard each day. As an extra point of interest, in 2016 I endeavoured to write a number sentence using the digits of the date, in order, underneath the date.

For example:

7/4/16 7 - √4 = -1 + 6

27/5/16 2 + 7 - 5 = √16

(Date written as dd/mm/yy)

I didn't specifically refer to the sentence, nor make it an activity in class. A senior student in one class made a point of completing the number sentence if I hadn't. Another student in my roll class regularly pointed out if I had not written a sentence for the day.

In 2016 I had some help completing a list of sentences.

If you'd like to contribute to a list for 2017 (or just use the list) visit this Google Sheet:

For 2017, I have columns for two formats of the date dd/mm/yy and dd/mm/yyyy.

Posted in • Lesson Idea • Number | Short URL: http://mths.co/4616

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**Simon Job** — eleventh year of teaching maths in a public high school in Western Sydney, Australia.

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