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7 questions. What grades should students use strategies to estimate computations involving fractions and decimals in situations relevant to students’ experience?

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7 questions
7questions

  • What grades should students use strategies to estimate computations involving fractions and decimals in situations relevant to students’ experience?

  • What grades should they select appropriate methods and tools for computing with fractions and decimals from among mental computation, estimation, calculators, computers, paper and pencil depending the situation?


7 questions

  • What is the most common regional model for base ten fractions? Why?

  • What is the best length model? Why?

  • Should teachers use money as a model for new students to decimals?

  • T or F

  • Realistic percent problems are the best way to assess a students understanding of percent.

  • Many teachers use money as a model.


Developing concepts of decimals and percents
Developing Concepts of decimals and percents fractions? Why?

  • SPI 0406.2.6 Use the symbols < , > and = to compare common fractions and decimals in both increasing and decreasing order.

  • SPI 0406.2.9 Add and subtract decimals through hundredths

  • SPI 0606.2.5 Transform numbers from one form to another (fractions, decimals, percents, and mixed numbers).


Virtual games
Virtual Games fractions? Why?

  • http://www.shodor.org/interactivate/activities/FractionQuiz/

  • http://www.mathplayground.com/Decention/Decention.html


Bingo
Bingo fractions? Why?


Base 10
Base 10 fractions? Why?


Grocery ad
Grocery Ad fractions? Why?


Introducing percents
Introducing Percents fractions? Why?

  • Pg. 340 in the book.


Jacquie s shoes

Jacquie’s Shoes fractions? Why?


Cost 59 99
Cost $59.99 fractions? Why?


Total cost
Total Cost fractions? Why?

  • $59.99 - shoes

  • $ - tax of 9.25%

  • $ - Grand Total


Problem
Problem fractions? Why?

  • Jacquie has only $40.00

  • So Jacquie waits.


7 questions


Finally
Finally fractions? Why?

Her shoes that she has waited for has finally went on sale.

20% off of $59.99 is

Jacquie has $60.00 now.

How much will she pay for the shoes now?

Don’t forget tax.