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College Costs Keep Going Up
Algebra Number Sense Ratio and Proportion Data and probability
 College costs keep rising, and it can be hard for students to grasp just how much four years of school might add up to. This updated activity gives students real data and guides them to explore ...
7th 8th HS 8th Scatter Plot line of best fit linear equations nonlinear linear graphing graphing lines data analysis analyzing data college college costs modeling mathematical modeling 7.RP 8.SP.3 HSS-ID.B.6 8.SP.1 8.SP prediction

Labor Day 2025
Math and Social Studies Holidays and Annual Events Any time math
 In our usual Labor Day activity (updated for 2025), students will learn about the intended meaning of Labor Day and explore the patterns behind its historical dates. They will investigate and ju...
Data patterns calendar patterns recognizing patterns yearly patterns remainder long division MP8 MP1 6th 7th 8th 8th HS

New Mega Millions (probability)

Data and probability Wow factor
In this activity, students apply their understanding of probability and combinations to investigate a bold new claim by the Mega Millions lottery: “Your odds of winning are better than befor...
probability compound probability Data and Probability lottery 7.SP.C.7 7.SP.C 7.SP.1 HSS-CP

The Power of Leverage
Number Sense Ratio and Proportion Any time math
📈 In this activity, students will explore the power—and risks—of leverage by analyzing the price movements in trading. They'll calculate percentage gains and losses, compare leveraged...
Finance stocks ratio proportion percentages profit HS 8th 8th HS 7.RP.A.3 7.NS.A

Fish Tale
Algebra Geometry 3-act tasks
🐠In this updated activity, students will apply the Pythagorean Theorem in both 2D and 3D (basic) contexts to ex...
8th 9th Pythagorean Theorem 3-d Pythagorean Theorem 3-d shapes 8.G.7 HSG-SRT.C.8 8.G.A.4 trigonometry

A Parametric Heart
Geometry Holidays and Annual Events Math and Art
♥♥♥♥♥♥♥♥ In this updated activity, students will explore parametric equations to graph a heart shape using sine and cosine functions. Begin with the starter activity to set the stage (o...
trigonometry circle graphing sine cosine Valentine's Day valentine parametric equations HSF.TF HS HSG.SRT unit circle

Red Green Bitcoin
Algebra Number Sense Data and probability
📉 In this activity, students will explore Bitcoin price movements using a chart. They'll analyze trends, calcu...
Finance money percentage calculations percentage change reading graphs analyzing graphs prediction data analysis 8th HS HSM 7.RP.A.3 8.SP.A HS.A HSMD HSS.ID.C.7 HSF.IF.C.7

Barcodes and QR codes
Algebra Number Sense Data and probability
In this updated activity, students will be introduced to permutations and investigate how the math behind barcodes and QR codes creates endless possibilities for product id...
permutation permutations combination 7th 8th 8th HS HSS-CP.B.9 HSA.CED.A S-CP.9 patterns exponential

It's almost 2025
Number Sense Any time math
🎉As the new year approaches, this activity invites students to explore unique number categories related to 2025. What’s a Harshad number? A Pernicious number? A Tetrahedra...
5th 5.NBT.A.1 6th 7th 8th 8th HS 6.NS 7.NS 8.NS MP1 MP2 binary Harshad patterns Christmas

Mathematical Gift Wrapping
Algebra Number Sense Geometry Holidays and Annual Events 3-act tasks
🎁🎁In this updated activity, students will use math to explore two methods of wrapping gifts, including the mathematical method demonstrated by S...
7th 8th 8th HS Christmas holiday geometry surface area nets using formulas Pythagorean Theorem 7.G.B.6 8.G.B HSG.MG.A.3 HSG.SRT.C MP4 MP3
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