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Mental math tricks - part 2
Algebra Number Sense Ratio and Proportion Wow factor
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 Word docx, solutions/hints, and a PowerPoi...
5.NBT MP7 MP8 6th 7th 8th HS 5th MP6 4.NBT.B

April Fool's Day fun
Algebra Number Sense Geometry Holidays and Annual Events Funny
This day is known for pranks and puzzles.   Try one of these 4 activities on April Fools Day. Ask students to analyze where I made my mistake.  PerplexingProblem.pdf CC...
slope reasoning 8.EE 8.SP 6th 7th 8th HS 5th 4th 5.G 4.OA slant 9th April Fool's Day

Refugees from Ukraine
Number Sense Math and Social Studies Current events Data and probability
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 do these numbers compare with other tragic ev...
5.NBT 6th 7th 8th HS HSF 4.NBT reading graphics Ukraine interpreting graphics

What is my best gasoline option?
Algebra Number Sense Current events Ratio and Proportion
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 the ch...
6.EE 7.EE HSA-REI 6th 7th 8th HS HSA/CED creating equations evaluating equations solving equations 8.EE

When will WORDLE run out of words?
Number Sense Current events Data and probability
  Have you played it yet? If so, do you play it every day? Why do you suppose that this game is so popular? When will there be no new 5-letter words to try?
5.NBT 6.RP 7.RP 6th 7th 8th HS 5th HSN 4.NBT WORDLE

Shrinkflation
Algebra Number Sense Math and Food Current events Ratio and Proportion Data and probability
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 the...
6.RP 7.RP MP2 6th 7th HSF HSM 8th

Mardi Gras, 2023
Algebra Number Sense Holidays and Annual Events Ratio and Proportion
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 and is celebrated throughout the world ...
Data and Probability proportion ratio percent Unit rate environment 6.RP 7.RP 5.NF 6.EE 6th 7th 5th climate change

Crazy Twos (Two to the…s)
Algebra Number Sense
Let your students practice manipulating exponents. Multiplication, division, roots, powers of powers.  This powerful activity asks them to do some impressive mathematics in their hea...
exponent laws mental math 8.EE 7th 8th HS HSA HSF powers of 2 operations with exponents like magic

The LUGE
Algebra Number Sense Sports Current events Ratio and Proportion
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 position while fighting extre...
rate 6.RP 6.EE 7.EE 8.EE 6th 7th 8th HS Olympics HSF luge

Beijing Olympic Schedule 2022
Number Sense Sports Holidays and Annual Events Current events Data and probability
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 graphic. What can you tell, wha...
3.MD 4.MD 5.MD 6.SP 7.SP 8.F 8.SP 6th 7th 8th HS 5th 3rd 4th Olympics HSF HSS-ID 6.MD 7.MD reading graphics
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