<span>Point out that we have seen examples of games and activities that involved the concepts of equality and inequality and which did not require the use of decimal symbolism. Discuss the need for these types of activities to develop conceptual understanding before symbols and rules are introduced. Then place the following transparency on the overhead which calls for the use of models for teaching rational numbers.
If the team pennant is triangular then the correct answer is C) 180 degrees
That is because the sum of all angles in a triangle is always 180. An easy example is a right triangle in which the right angle is 90, and the remaining two are 45.
