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TXL4 S2.pptx

Candace Smith

Created on October 29, 2025

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Transcript

Trudy puts 15% of her weekly earnings in a savings account. What is 15% written as a fraction and a decimal?

  • What is the problem about?

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Trudy puts 15% of her weekly earnings in a savings account. What is 15% written as a fraction and a decimal?

  • What are you trying to find out?
  • What information is important?

42

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Trudy puts 15% of her weekly earnings in a savings account. What is 15% written as a fraction and a decimal?

Math Toolkit grid paper

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  • Do you agree with me? Why or why not?

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Trudy puts 15% of her weekly earnings in a savings account. What is 15% written as a fraction and a decimal?

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Picture It

You can use money to represent 15%. Think about each dollar, or 100 cents, that Trudy earns. She will save 15% of each dollar.

Trudy saves 15 cents out of every 100 cents that she earns.

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Model It

You can use a strip diagram.

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  • Trudy saves 15%, or 15 cents out of every dollar she earns. How much does she save if she earns $2? $5?
  • Trudy earns $12 babysitting. Is the amount she saves greater than or less than $1.50? How do you know?

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How do you write the circled pennies as a fraction of the total pennies?

How do you write the value of the circled pennies with a dollar sign and decimal point?

Look at the second Model It. How does the strip diagram model decimals and percents?

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How do you know where 15% is on the strip diagram?

Write 15% as a decimal.

Describe what the 15 means in 15%, and write the equivalent fraction and decimal.

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Reflect Which models or strategies do you prefer for working with ratios, fractions, decimals, and percents?

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Close: Exit Ticket

Write 3% as a decimal.

Write as a decimal and as a percent.

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Take a moment to think on your own.

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Turn and talk with your partner about . . .

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REPEAT Restate the idea to give everyone a chance to hear it, or hear it again.

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REPHRASE Restate the idea in your own words.

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REWORD Restate the idea using academic or mathematical language.

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RECORD Record ideas using words, numbers or pictures.

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THREE READS

  • Read 1: What is the problem about?
  • Read 2: What are you trying to find out?
  • Read 3: What information is important?

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CO-CRAFT QUESTIONS

  • What is the problem about?
  • What questions can you ask thatmathematics can answer?

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NOTICE AND WONDER

  • What do you notice?
  • What do you wonder?

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SAY IT ANOTHER WAY

  • How would you say this problem in your own words?

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