Education Technology
Middle Grades Math: The Number System Classroom ActivitiesDownload
add_subtract_fractions1

Addition and Subtraction of Rational Numbers: Part 1

This lesson involves using pattern blocks to model addition and subtraction of positive mixed numbers for randomly generated numeric expressions.
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™
Download4,343
17209

Addition and Subtraction of Rational Numbers: Part 2

This lesson involves representing addition and subtraction of signed mixed numbers on a number line for a randomly generated target sum or difference.
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™
Download2,944
hero

Multiplication and Division of Rational Numbers

This lesson involves using an interactive area model to solve multiplication and division problems with positive decimals and mixed numbers.
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Apps for iPad®
Download2,948
17158

Bathroom Flooring

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.
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™
Download2,852
17159

Repeating Decimals and Fractions

This lesson involves students exploring patterns in repeating decimals that represent fractions with denominators 9, 99, and 999.
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™
Download2,747
17160

What is Root 2?

This lesson involves estimating the values of two irrational numbers using a number line with increasing precision of scale.
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™
Download2,585
17161

Comparing Pi's and Roots

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
  • ax-icon-color-device
    TI-Nspire™ CX series
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™
Download2,409