Tag: 7.NS

Passover starts on Wednesday

Two activities involving fraction halving, doubling, and tripling operations with recipes for Passover. Students end up creating a huge matzo ball.

Is 2023 a special number?

What do you notice about 2023?
Does 2023 meet the criteria?
Big deal?  Rare?  Often?

Before the holidays (16 activities)

We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!

The Algebra of Magic Squares

Students examine Magic Squares for how they could help with math computation practice and having fun.

Indigenous Peoples or Columbus Day

Sts learn a little history, question what they have learned earlier, and calculate how far off Columbus was from East India and his understanding of the actual circumference of the Earth.

Father’s Day, Juneteenth, and The Longest Day (summer solstice)

We have two Father’s Day activities, a Juneteenth activity, and a revised (and shortened) Longest Day/Summer Solstice activity.

Super Bowl Numerals

Introduce Roman numerals to your class.  In this activity students learn the rules for evaluating Roman numerals, decipher copyright dates, see how Roman numerals are used today, and do some strange looking arithmetic and surprisingly easy computation.

What is interesting about the number, 12 22 21 … and why did we put it on YummyMath today?

Will one roll be enough?

Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface area, reasoning explanation, and diagraming! An X-box is…

Summer Solstice, the longest day

Sunday, June 21st, 2022 (Revised and updated) Sunrise on summer solstice at Stonehenge On Sunday, June 21st, at 5:13 am EDT, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year.…

Gonna be a Leap Year

This year we will add the 29th of February to our year?  Why do we do that?  How can you tell?  What if we didn’t add a day every 4 years? Calendar math and flow charts.

Three wrapping presents activities

3 activities about wrapping presents: On the diagonal, 3-act by estimation with iPhone, and judging sizes and needs by estimation with man and shopping basket.

How can Nike give away so much great stuff?

Worldwide Nike supports many teams and athletes.  They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth?  Is the company going to go broke? Probably not.  Nike is huge. In this activity we…

Prince Harry and Meghan Markel’s Royal Wedding

This weekend is the wedding of Prince Harry and Meghan Markel. This will be quite an event and we can expect it to dominate the media.  What have you heard about the event?  What interests you? The mathematics in this…

Winter Olympics, PyeongChang: February 9 – 25

Scoring Ski jumping – The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair…