tags: decimal

tags: decimal
We found 6 post available for you

Inflation and the cost of gasoline

Algebra Number Sense Math and Science Math and Social Studies Ratio and Proportion
In 1980, one gallon of gasoline costs $1.22.  Today's prices are a lot higher.  Is that because the price has gone up or because in 1980 you could buy a lot more than you can buy today for...

Hexadecimal coloring

Number Sense Geometry Math and Science Math and Art Ratio and Proportion
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first ask students to color in o...

Is there much of a difference between 99.9% or 99.999%?

Algebra Number Sense Math and Science 3-act tasks Data and probability
Use our present need for cleanliness to engage your students.    Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs? In this activity, we'v...

Operation Gratitude – Halloween candy buy back

Algebra Number Sense Math and Social Studies Math and Food Holidays and Annual Events Ratio and Proportion Data and probability
This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a goo...

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...

Really old

Number Sense Math and Social Studies
Tom Lehrer is a singer, songwriter, satirist, pianist and mathematician who has written some wonderful songs. In 1959 he wrote a song called "New math".  At that time, much of mathemati...
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