### Number Sense

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#### It's opening weekend for Barbie

This movie is supposed to be nostalgic, clever, funny, and wildly entertaining. We've written an activity that lets students express their excitement (or lack of) in seeing this new movie, st...

#### Ice Cream Day - July 16th; 2 activities

All the ice cream that you can eat   All the ice cream that you can eat for only 10 cents!  Wow, that's a great deal!  How great a deal was tha...

#### Father's Day and Juneteenth; 3 Activities

For Father's Day (Links to different activities) Thank you Mother and Father for all of those diapers (2015) - Students compare the cost of buying disposable vers...

#### How many hot chocolate scoops do I need?

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)

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

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 ...

#### Square or Round - which pizza should I buy?

Warm up for π day with this updated activity! Subway has great Flatizzas but Sbarro's pizzas are good too.     If that slice from Sbarro is from an 18-inch pizza cut into eight piece...

#### Is 2023 a special number?

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

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...