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Middle Grades Math: The Number System Classroom ActivitiesDownload
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Addition and Subtraction of Rational Numbers: Part 1

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This lesson involves using pattern blocks to model addition and subtraction of positive mixed numbers for randomly generated numeric expressions.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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17209

Addition and Subtraction of Rational Numbers: Part 2

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This lesson involves representing addition and subtraction of signed mixed numbers on a number line for a randomly generated target sum or difference.
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
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  • TI-Nspire™
  • TI-Nspire™ CAS
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Multiplication and Division of Rational Numbers

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This lesson involves using an interactive area model to solve multiplication and division problems with positive decimals and mixed numbers.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
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17158

Bathroom Flooring

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This lesson involves students tiling the floors of three bathrooms with provided tiles and determining the cost of the floor based on the unit price of each tile.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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17159

Repeating Decimals and Fractions

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This lesson involves students exploring patterns in repeating decimals that represent fractions with denominators 9, 99, and 999.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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17160

What is Root 2?

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This lesson involves estimating the values of two irrational numbers using a number line with increasing precision of scale.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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17161

Comparing Pi's and Roots

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This lesson involves manipulating the radius of a circle and the sides of a right triangle in an attempt to set the circumference of the circle equal to the hypotenuse of the right triangle
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download2,308