What do you notice about 2023?

What is a Harshad number?

Does 2023 meet the criteria?

Big deal? Rare? Often?

# Tag: 3rd

## Before the holidays (16 activities)

## Three Hanukkah activities

## The Algebra of Magic Squares

## Major announcement !

## Whole lot of cookies

## Buy, buy, buy and ship (8 ideas)

## The size of chocolates

In time for Halloween, 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. Encourage them to create overlapping grids and count the fully and partially-covered cells or use the mean radius method.

## Someone ate my cake

## But it didn’t sell?

<span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span> A&W offered a bigger, tastier burger but it didn’t succeed in grabbing customers away from the hugely popular McDonald’s quarter pounder. The A&W third pounder hamburger cost the same…