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Number Sense

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We found 146 post available for you

It's tick time again ... and Lyme disease
Algebra Number Sense Math and Science Math and Social Studies Data and probability
With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease and to recognize its carrier, the deer tick. Will this be a record ...

Man paid in 500 pounds of greasy pennies!
Algebra Number Sense Math and Social Studies Current events Ratio and Proportion 3-act tasks Data and probability
    A man from Georgia, Andreas Flaten, finally received his last paycheck from his disgruntled employer. He had been owed that last check for several months and was having difficult...

At least the days are getting longer
Algebra Number Sense Math and Science Holidays and Annual Events Current events Ratio and Proportion Data and probability
What's your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how l...

How should I spend my rewards?
Algebra Number Sense Math and Social Studies Math and Food Current events Ratio and Proportion
There's a new way to earn rewards at many grocery stores.  For every dollar that you spend, you accumulate points.  Then there are special rewards where you earn an extra 500 points for ...

Crazy basketball score
Algebra Number Sense Sports Current events Ratio and Proportion Data and probability
Wow! Look at that score! There were some scoreboard malfunctions in this December 15, 2020, pre-season game.  What might have been the final score if this game progressed at this rate? ...

How much snow is that?
Algebra Number Sense Math and Science Ratio and Proportion
Start this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile?  How much snow in volume is on top of the car?  H...

The new largest Lego set ever - The Roman Colosseum
Algebra Number Sense Ratio and Proportion 3-act tasks Data and probability
Note: This is a remake of our 2014 and 2017 activities "How Much Does a Lego Cost?". How much could the Roman Colossem Lego set cost ? Student first make a guess and then think about what ...

Not enough mashed potatoes
Algebra Number Sense Math and Food Holidays and Annual Events
Using his famous mashed potato recipe, Brian has asked students to change decimals to fractions, to calculate ingredient measures for various-si...

Ravensburger huge puzzle
Number Sense Geometry Math and Social Studies Math and Art Ratio and Proportion
 This puzzle is gorgeous and HUGE! Ravensburger says that if you spent 2 hours every day putting this puzzle together it would take you a year to finish. What do you wonder? Students ...

Is the Electoral College fair?
Number Sense Math and Social Studies Current events Ratio and Proportion
Show your students this really cute segment comparing how the Electoral College functions in our elections to what students think is fair and just. From the New York Times, Electoral ...
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