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tags: ratio

Tags: intercept, 8.F.1, 4.NBT.6, Operations with time, base area,
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tags: ratio
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What me? Irrational?
Number Sense
We've found that some students believe that the approximation that their calculators show for irrational numbers is exact.  Here's an activity that you can advertise as long multiplication ...
5.NBT.7 5.NBT 7.NS.3 6.NS.3 8.NS.1 8.EE 8.G 6th 7th 8th 5th irrational numbers square roots multiplication

Pizza party figuring
Number Sense Geometry Math and Food
  In this activity students decide how to divide 2 pizzas amongst 6 adults and 3 pizzas amongst 8 kids.  Fractional pizza parts need to be drawn and considerations discussed about which f...
Fractions MP2 MP3 MP7 6th 5th 4th fraction representations 5.NF.3 fraction operations elementary food

Super Bowl ads and scientific notation
Algebra Number Sense Holidays and Annual Events
The Super Bowl is over now and all of the ads have been seen. Let your students revisit and reflect on the interesting commercials with this scientific notation activity...
Data and Probability scientific notation exponent 6.EE.2 8.EE.3 8.EE.4 7th 8th HS 5.NBT.1 5.NBT.2 8.EE.1 HSA.SSE.A.1 operations with exponents powers of ten SuperBowl

Is this promo a good deal?
Number Sense Math and Food Ratio and Proportion Data and probability
McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered a...
6.RP.2 6.RP.3 6.RP.1 calories 5.NBT.7 6th 7th 5th unit ratios food burger nutrition Unit rate

Hands of Support
Math and Art Ratio and Proportion 3-act tasks Data and probability
Lorenzo Quinn, an Italian sculptor, created and temporarily installed this piece of art entitled "Support" in Venice.  Quinn used his own children's hands to design this piece.  His in...
proportion ratio MP1 6th 7th 8th HS 6.RP.A 7.RP.A 3-act task MP4 operations with fractions estimation

Population Clock
Algebra Number Sense Ratio and Proportion Data and probability
How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds? Have a little care about younger children when using this activity. T...
rate 4.MD 6.RP 7.EE 6th 7th 8th 5th 4th 4.NF 7.NS.A adding fractions with unlike denominators 5.MD.B 5.NF.A Fractions operations with fractions elementary

Water saving toilets
Geometry Math and Science Ratio and Proportion Data and probability
     How much water is used? How much water could be saved? For Adventurer members we have an editable Word docx and solutions with added world-wide information.
6.RP.3 ratios 7.RP.3 5.NBT.7 6.RP 7.RP MP2 5.MD.1 6th 7th 8th 5th 5.MD.C conservation percentage Unit rate sustainability

Immigration numbers
Algebra Math and Social Studies Ratio and Proportion Data and probability
Here's an opportunity to work with calculating percents and the percent changes in the U.S. immigrant population. Students can reflect on what those changes demonstrate. Start your class with this ...
percents 6th 7th 8th HS trends HSF HSS-ID 6.RP.A 7.RP.A immigration population data analysis

BIG Snickers bar
Algebra Geometry Math and Food 3-act tasks Wow factor
  Act 1 - Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going to judge how much bigger this ...
Volume 7.G.1 7.G.6 6th 7th 5th 4th 6.G.A 6.RP.A 7.RP.A 4.MD.A unit ratio 5.MD.C 3-act task Unit rate

Proposed southern border wall
Number Sense Math and Social Studies Current events Ratio and Proportion
You have probably heard about the proposed border wall that may go up along the U.S./Mexico border.  How much wall needs to be built? How much will that cost? What is that per mile? Per foo...
5.NBT 6th 7th 5th unit pricing 6.RP.A 7.RP.A HSM cost per unit understanding large numbers operations with fractions decimal percent
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