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# 7 questions - PowerPoint PPT Presentation

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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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?

• 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 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 fractions? Why?

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

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

Bingo fractions? Why?

Base 10 fractions? Why?

Introducing Percents fractions? Why?

• Pg. 340 in the book.

### Jacquie’s Shoes fractions? Why?

Cost \$59.99 fractions? Why?

Total Cost fractions? Why?

• \$59.99 - shoes

• \$ - tax of 9.25%

• \$ - Grand Total

Problem fractions? Why?

• Jacquie has only \$40.00

• So Jacquie waits.

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.