Number opposites

The topic  is a topic under the 6th Grade Math Mission. This exercise helps understanding of the similarities and differences between the concept of opposite and the negative sign.

Types of Problems
There are two types of problems in this exercise:


 * 1) Determine the correct point: The problem asks which of the labeled points on a number line is the solution to a question about opposites. The student is expected to find the correct point and select it from a multiple choice list.No1.png
 * 2) Find the opposite: This problem asks the student to determine the opposite of a particular number. In this problem the student is asked to write the answer in a provided answer box.No2.png

Strategies
This problem is easy to get accuracy badges because opposites have many different representations but all take one step to find. The speed badges are also easy because to solve the problems in the exercise is rarely more than one step of reasoning.
 * 1) Be a little careful to distinguish whether the problem is asking for the opposite of the number given, or if it is asking to evaluate an expression with a negative sign.