Stack the rational rules

Exercise and reference answers

Questions

1. Answer

   Zero

   Question

   Dividing by this is undefined.

   Choices

   1. Zero
   2. One

2. Answer

   Simplified

   Question

   No common factors top and bottom.

   Choices

   1. Simplified
   2. Undefined

3. Answer

   Complex fraction

   Question

   A fraction divided by a fraction.

   Choices

   1. Complex fraction
   2. Proper fraction

4. Answer

   Common bottom

   Question

   Needed before adding unlike bottoms.

   Choices

   1. Common bottom
   2. Common top

5. Answer

   Undefined

   Question

   Where the denominator hits zero.

   Choices

   1. Undefined
   2. Simplified

6. Answer

   Rational equation

   Question

   Used to model real situations.

   Choices

   1. Rational equation
   2. Complex fraction

7. Answer

   Common factors

   Question

   Two thirds has none of these shared.

   Choices

   1. Common factors
   2. Common digits

Instructions

Tap the right answer to add a block. Too many mistakes and the tower falls.

Explanation