Algebra

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Vampire bats + Mosquito eating bats

Algebra Number Sense Math and Science Holidays and Annual Events
Ooooo. Scary!  In this first activity on vampire bats we've given lots of interesting metric and customary unit facts and asked students to relate those sizes to more familiar objects.  Si...

Will the Barbie movie out-perform Avatar at the box office?

Algebra Number Sense Math and Social Studies Current events Data and probability
The Barbie Movie is still doing well in the theaters.  It has only been 6 1/2 weeks since its debut.  Do you think that it can out-earn Avatar?  Students study the numbers, recognize ...

March Equinox - big deal? ... and 5 more Spring activities

Algebra Math and Science Holidays and Annual Events Current events Data and probability
   What's with the March Equinox? Does it really affect our lives? Is it just some astronomical occurrence? Students calculate the daylight hours at the March Equi...

How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)

Algebra Number Sense Geometry Math and Science Holidays and Annual Events Wow factor
Shamrocks in Ireland are actually 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover. How rare is finding a 4-leafed clover?  How hard do you...

Just some March Madness math

Algebra Number Sense Sports Current events Ratio and Proportion Data and probability
Today, March 12th, is selection Sunday. Tomorrow we'll know how the college basketball teams are seeded and bracketology can begin. Introduce your students to the meaning and excitement of March ...

Is 2023 a special number?

Algebra Number Sense Current events
1998 was a Harshad year. What do you notice about the number 2023? What is a Harshad number? Does 2023 meet the criteria? Big deal?  Rare?  Often?  

The Algebra of Magic Squares

Algebra Number Sense
Have you seen magic squares before? How could a teacher use these puzzles to help students with different number skills? How few blank cells could you leave? Are there any special cel...

Whole lot of cookies

Algebra Number Sense Math and Food Holidays and Annual Events Ratio and Proportion Wow factor
Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here? Do you have an add...

February 22, 2022

Algebra Number Sense Current events
Why do you suppose we are posting this date as a topic for YummyMath? What do you think is so special about this date? Does this happen often?  When might a similar day occur?

Will our U.S. flag change yet again?

Algebra Geometry Math and Social Studies Current events
How many stripes are in our present flag?  (The bottom right flag that has been in use since 1960; See the PowerPoint) How many stars? What do the numbers of stars and strip...
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