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Zen Section
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Activity 1: Solve and Read

Step 1

Solve the three problems below using mental math. (Click the arrows to reveal each problem.)

As you work, consider how you are thinking about each and what number knowledge you are accessing.

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Problem 1

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10x3=

10x13=

20x13=

30x13=

31x13=

29x13=

22x13=

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idProblem2

Problem 2

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Mentally place the fractions 3/4, 5/8, and 5/4 and 8/5 on a number line.

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Problem 3

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If a + 1/3 = x, is x more than a, less than a, the same as a, or can you not tell?

If a × 1/3 = x, is x more than a, less than a, the same as a, or can you not tell?


Step 2

Read the following article:

 

 

Zen Section
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Activity 2: Respond

Please respond to the following. Post your response to the Discussion Board by clicking the image to the right.

 

  • In reflecting on the article, what are the limitations of the students’ procedural knowledge? Which of the mathematical proficiency strands come into play when solving these problems?

 

Click to respond

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