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Mental math tricks - part 2
Mental math tricks - part 2

36 x 25 = 900 480 x 25 =12,000 924 x 2.5 = 2,310 Can you see any tricks for doing these calculations in your head? An editable...

Algebra Number Sense Grades 4–HS
Refugees from Ukraine
Refugees from Ukraine

We are hearing a lot about the war in Ukraine. Civilian Ukrainians are fleeing the war zone in order to remain safe and find food and housing. How...

Number Sense Math and Social Studies Grades 5–HS
What is my best gasoline option?
What is my best gasoline option?

Jason Kibbe, 6-8 Gifted Support Teacher in Chambersburg, PA, sent us this timely investigation. Should I pay the membership fee and get BJ's gasoline? Should I just buy...

Algebra Number Sense Grades 5–HS
Shrinkflation
Shrinkflation

Shrinkflation! What do you think this word means? Inflation in the cost of living (2021) was estimated to be about a 7% rise. If "shrinkflation" is happening at...

Algebra Number Sense Grades 5–7
Mardi Gras, 2023
Mardi Gras, 2023

Updated for 2023! Tuesday, February 21, 2023, will be the day before Ash Wednesday and the start of the season of Lent. Mardi Gras is a last hoorah...

Algebra Number Sense Grades 4–6
The LUGE
The LUGE

This is one of the fastest Olympic sports. Lugers, on tiny sleds, zoom down a solid ice track at fantastic speeds, hold their bodies in an aerodynamically optimized...

Algebra Number Sense Grades 5–HS
Beijing Olympic Schedule 2022
Beijing Olympic Schedule 2022

The Winter Olympics begins this week in Beijing. Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this...

Number Sense Sports Grades 2–HS
Cold NFL games
Cold NFL games

There have been some pretty cold football games. How do you suppose the frigid temperatures affect the success or failure of the teams that are involved? Do teams...

Algebra Number Sense Grades 4–7
Lighting the 2022 Olympic Torch
Lighting the 2022 Olympic Torch

On October 18 th , 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit...

Algebra Geometry Grades 4–HS
Spider-Man continues
Spider-Man continues

Spider-Man: No Way Home opened on December 17, 2021 . How much did it cost to make? How much will it gross? Is the Spider-Man phenomena a guarantee...

Number Sense Ratio and Proportion Grades 3–HS
Super Bowl Numerals
Super Bowl Numerals

This activity is being updated! Stay tuned!

Number Sense Sports Grades 4–7
Bowl by the hour or the game?
Bowl by the hour or the game?

What should you consider when choosing how to pay? Which do you expect will be the best deal? How do you know? For Adventurer members we have an...

Algebra Number Sense Grades 4–HS