tags: 4th

Tags: current crisis, density, 3-d Pythagorean Theorem, holiday spending, calories,
tags: 4th
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A lot of Cars
Number Sense Social Studies 3-act tasks Any time math
🚙 In this updated activity, students will explore the environmental impact of transportation choices. They will use division to calculate how different transportation choices...
5.MD 6.G 3rd 3rd 4th pollution energy estimation division

Magic Squares
Algebra
Though it is not our usual real-world application, we always have time for some fun math puzzles! In this updated activity, students will explore the puzzle of magic squares. You...
5.NBT.6 6.NS.7 7.NS 8.EE.8 5.OA 6th 7th 5th 4th 3rd 4.NF.4 4.OA.3 puzzles magic squares

Holiday Movies
Number Sense Holidays Movies and Entertainment
In this updated activity, students will explore box office data for top-grossing Christmas movies to analyze and compare earnings. They'll practice skills like rounding, estimating, calculating di...
4th 5th 6th 7th bar graph Christmas Holidays range 4.NBT 3.MD.B.3 5.NBT.7 data analysis Data 6.SP.B 7.SP.B

The LEGO transit time
Number Sense Science Probability and Statistics
In this updated activity, students will explore the math behind an unusual study: how long it takes to pass a LEGO head through a body? They'll calculate time intervals, convert...
5th 4th 4.MD.A 6.SP.B 6.SP.B.5 6.SP.A digesting a Lego sum before average LEGO blocks Lego time averaging time 7th Unit rate sample

Ulmer Nest
Number Sense Geometry Social Studies
🏠In this activity, students will dive into estimation and critical thinking as they explore ‘Ulmer Nest’. It’s essential to start with the starter slides, where student...
4th 5th 6th 7th MP5 4.MD.A 6.G.A 7.G.B.6 geometry pentagon prism estimation surface area nets 6.G.A.4

Lots of Pieces
Number Sense 3-act tasks
🧩In this updated activity, students will explore estimation and addition with a collection of puzzles. It’s important to start with the starter slides, where st...
2nd 3rd 4th 5th 2.OA 3.MD commutative property associative property grouping 2.NBT estimation

Cookie Calculations
Algebra Number Sense Food Ratio and Proportion
In this activity, students will step into the kitchen to explore the math behind baking!   🍪They’ll estimate costs, calculate how many cookies can be made with a given am...
5.NBT 3.MD 6.RP 5.NF MP3 5.OA 5th 3rd 4th 4.NF 4.OA 3.OA 3.NF 4.NBT 3.NBT 5.MS proportion estimation addition division rate sale

How much pee is in your pool (Updated)
Number Sense Geometry Science
 How much pee is in your pool? 🏊🏊After chlorination, it has been hard to measure the quantity of pollutants in pool water.  A Canadian chemist, Xing-Fang Li, has found a marker for...
Data and Probability 5.MD 4th 5th 6th 7th 4.MD.C 7.G.B 6.G.A 6.RP.A 7.RP.A unit ratio ratios of volume Volume pee 8.G.C.9 7.EE.B summer

How much does America spend for Mother’s Day?
Number Sense Social Studies Holidays 3-act tasks Probability and Statistics
Updated in April 2026 with new data; see the answer key.How much do we spend on Mother's Day? Use the Mother's Day event to engage your students (as a class) in approximating, reasoning, and investiga...
6th 7th 5th 4th Mother's day estimation

Leslie's Yummy Pumpkin Pie
Algebra Number Sense Food Holidays Ratio and Proportion Any time math
Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods.  This year 23 people have already accepted. How man...
Fractions 6.RP.2 6.RP.3 5.NF.6 4.NF.4 5.MD.1 6th 5th 4th 4.MD.1 5.NF.4 Recipes unit conversion Any time math

Will this be an El Niño winter?
Number Sense Science Social Studies Holidays Current events
 The Oceanic Niño Index (ONI) started to show changes to the Pacific Ocean surface temperatures in April and May of this year.  Those temperatures are still rising which is a marker for the ...
5.NBT 6.NS 6.SP 7.SP MP2 MP8 8.SP 5.OA 6th 7th 8th HS 5th 4th 4.NF 4.OA El Niño Oceanic Niño Index winter

Huge Alaskan Vegetables
Algebra Number Sense Science Food Current events Wow factor Any time math
The annual Alaskan State Fair has just been completed. As usual, there were some amazingly big vegetables that won the agriculture prizes. Evidently, even though the growing season in Alaska is s...
Data and Probability averaging time adding time latitude and temperature latitude and daylight hours 5.NBT 6.SP 7.SP 6th 7th 8th 5th 4th 4.OA
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