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At least the days are getting longer

Algebra Number Sense Math and Science Holidays and Annual Events Current events Ratio and Proportion Data and probability

What's your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how l...

Inauguration Date

Algebra Number Sense Geometry Data and probability

The date of the Presidential Inauguration this year can be written in an interesting way. What do you notice? What do you wonder? Do you think that this happens often in a yea...

Canstruction

Algebra Number Sense Geometry Math and Social Studies 3-act tasks

Act One: Take a look at the pic. What questions come to mind? Just before Thanksgiving there are competitions all over the world to celebrate cool design, tricky engineering, a...

How fast will my new puppy mature?

Algebra Number Sense Ratio and Proportion

Dudley, born 11/10/2019 Dudley has just come to live with us. He is just a puppy and he is full of energy. He's settling in well even though this is only day 3 of him living with us. T...

Really stuffed!

Algebra Number Sense Math and Food Ratio and Proportion Data and probability

Wow, these cookies look really stuffed! How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gr...

Sadly, Jorge passed away yesterday.

Algebra Number Sense Ratio and Proportion Data and probability

He was a great dog! We wondered how old he was in human years? Jorge has been part of YummyMath for a long time. Sadly, yesterday he died. We wondered how old he would ...

How many delegates does each state get to send to the Democratic Convention?

Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability

Texas gets to send a lot more delegates to the July National Democratic Convention than New Hampshire does. How do they figure out what each state's fair number of delegates ...

It's Girl Scout cookie time again!

Algebra Number Sense Math and Social Studies Math and Food Ratio and Proportion

Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales. Use this old graphic (where a box...

Who's going back to school?

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability

Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 school...

What's the answer?

Algebra Number Sense Current events

Image by Twitter user @pjmdoll. Math doesn't usually create a buzz on Twitter. This past week this post did just that. People argued online about whether the answer was 16 or...

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