Relate addition and subtraction

The topic  is a topic under the Early Math Math Mission. This exercise describes the relationship between addition and subtraction.

Types of Problems
There is one type of problem in this exercise:


 * 1) Fill in the blanks to see the relationship: This problem provides an addition and subtraction problem that are related. The student is asked to fill in both blanks to make both equations correct.Raas1.png

Strategies
Knowing numbers via the visual representation is sufficient for being able to do this problem well.
 * 1) The numbers that are provided in both blanks will be identical.
 * 2) Understanding this problem can help with understanding later algebraic properties of numbers, such as addition and subtraction properties of equality.
 * 3) This is another exercise that can be done very quickly for farming points, especially with the tab and enter buttons.