Understanding Rates and Ratios in Math

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Explore the concepts of rates and ratios in mathematics through examples and discussions. Learn how rates compare different units, how they are similar to and different from ratios, and how they can be represented using various mathematical expressions.


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  1. Warm ups 1.19.11

  2. 36 inches 5 Math books 2 Teachers : 30 students 37boys 37boys wins wins in 3 feet FOR EVERY 7 100student 100student losses losses history books s s

  3. Made $16.50 in 165 miles : 2 hours boys boys 37 37 inches inches 36 36 6 roses for $12 20 minutes 25 miles for every 1.5 gallons buses buses 2 2 years years 5 5

  4. discuss What makes a rate like a ratio? boys 2 37 boys 37 100 students buses

  5. Spiral: RATES AND RATIOS look like fractions, can be simplified, uses to and other ratio phrases, can use a colon: makes comparisons

  6. discuss What makes a rate NOT like a ratio? buses 2 37 37 boys boys 100 students

  7. Rates compare different units

  8. UNIT http://t1.gstatic.com/images?q=tbn:hHDtkhMVARZ64M:http://www.geekgaz.com/wp-content/uploads/2009/10/taylor-digital-measuring-cup-and-scale-pictures-2.jpg http://t3.gstatic.com/images?q=tbn:FPLnFlc3LDyJ7M:http://www.bbc.co.uk/learningzone/clips/images/previews/p_math/p_math_ec_00044_16x9.jpg

  9. WHAT TWO DIFFERENT UNITS ARE USED IN THE PICTURE OF THE RATE?

  10. UNITS THIS WORD USED 2 WAYS IN MATH

  11. WHAT IS ANOTHER WHICH NUMBER IS IN THE UNITS PLACE? NAME FOR THE UNITS PLACE?

  12. The picture below shows a UNIT RATE for for $2.45 PER PER flowers flowers 3 3 GALLON GALLON 1 1 $2.45 $2.45 $1 $1

  13. IN YOUR GROUPS: HOLD UP THE CARD HOLD UP THE CARD SHOWING A SHOWING A UNIT RATE UNIT RATE

  14. ADADEMIC VOCABULARY IN YOUR OWN WORDS DEFINE UNIT RATE DRAW A PICTURE RATE YOUR UNDERSTANDING

  15. TEXTBOOK PG 404 ch 8 rate notes page 404.pdf RATE S AND UNIT RATES IN YOUR SPIRAL COMPARE YOUR DEFINITION TO THE COMPARE YOUR DEFINITION TO THE TEXTBOOK DEFINITION AND EXAMPLES TEXTBOOK DEFINITION AND EXAMPLES

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