Calendar dates

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Intros

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Lessons

What are calendar dates?
Written form of dates
Metric notation of dates
Explaining leap years (and the number of days in each month)
Other number formats/notations for dates

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Examples

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Lessons

Writing calendar dates in metric notation
Write the date in metric notation
1. June 29^th, 1910
2. March 1^st, 2004
3. October 16^th, 2012
Writing metric notation dates in written (standard) form
Write the metric notation date in written form, using words and numbers
1. 1970 12 02
2. 2119 09 15
3. 2028 01 23
Writing calendar dates in different number notations
Write the calendar date shown in different notation formats:
1. 1. $\overline{Y}$ $\overline{Y}$ $\;$ $\overline{M}$ $\overline{M}$ $\;$ $\overline{D}$ $\overline{D}$
  2. $\overline{D}$ $\overline{D}$ $\;$ $\overline{M}$ $\overline{M}$ $\;$ $\overline{Y}$ $\overline{Y}$
  3. $\overline{M}$ $\overline{M}$ $\;$ $\overline{D}$ $\overline{D}$ $\;$ $\overline{Y}$ $\overline{Y}$
2. 1. $\overline{Y}$ $\overline{Y}$ $\;$ $\overline{M}$ $\overline{M}$ $\;$ $\overline{D}$ $\overline{D}$
  2. $\overline{D}$ $\overline{D}$ $\;$ $\overline{M}$ $\overline{M}$ $\;$ $\overline{Y}$ $\overline{Y}$
  3. $\overline{M}$ $\overline{M}$ $\;$ $\overline{D}$ $\overline{D}$ $\;$ $\overline{Y}$ $\overline{Y}$
3. 1. $\overline{Y}$ $\overline{Y}$ $\;$ $\overline{M}$ $\overline{M}$ $\;$ $\overline{D}$ $\overline{D}$
  2. $\overline{D}$ $\overline{D}$ $\;$ $\overline{M}$ $\overline{M}$ $\;$ $\overline{Y}$ $\overline{Y}$
  3. $\overline{M}$ $\overline{M}$ $\;$ $\overline{D}$ $\overline{D}$ $\;$ $\overline{Y}$ $\overline{Y}$
Calendar Dates - Word Problem 1
Writing dates can be confusing!
Angie wrote her birth date on paper: 11 25 98
1. Can these numbers represent more than one date?
  Write all possibilities for her birthday in written form.
2. Angie's sister Mina was born 3 years, one month, and 5 days later.
  Write Mina's birthday in written form and in metric notation.
Calendar Dates - Word Problem 2
Writing dates can be confusing!
Toby wrote his birth date on paper: 01 07 13
1. Can these numbers represent more than one date?
  Write all possibilities for his birthday in written form.
2. Toby wrote his birth date on paper: 01 07 13
  If Toby told you that he was born during the summer of 2013, what is his birthday in metric notation?