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Number Sense

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Algebra 364
Number Sense 441
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We found 32 post available for you

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 ...

How many hot chocolate scoops do I need?
Number Sense Math and Food 3-act tasks Any time math
Even though it is now Spring, here in New England we are still chilled and hope that some hot chocolate will warm us up.  Clicking on the above image will take you to Brian's movie of makin...

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...

The size of chocolates
Number Sense Geometry Math and Food Holidays and Annual Events
In this activity students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas.  Consider sh...

Someone ate my cake
Number Sense Math and Food
In this fraction operation and representation activity, students are asked to decide how much of my cake was eaten. Using fraction multiplication (or angle measure if that is where you need an act...
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