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Basic Addition Lesson 3: Number 3

Here's an easy example:

3
+
1
=
4
 
      
+
  
=
        
 
 plus     LimeGreen Box  equals     DeepPink Box   Teal Box   SeaGreen Box   LimeGreen Box

We start with three boxes, add one box, and now have four boxes.


Here's another example:

3
+
2
=
5
 
      
+
    
=
          
 
   RosyBrown Box   Violet Box   HotPink Box  plus     HotPink Box   DarkGoldenrod Box  equals     RosyBrown Box   Violet Box   HotPink Box   DarkGoldenrod Box   MediumSeaGreen Box

We start with three boxes, add two boxes, and now have five boxes.


Try this problem.

3
+
3
=
 
      
+
      
=
            
 
   SandyBrown Box   MediumOrchid Box   Empty Box  plus     ForestGreen Box   Green Box   DarkSeaGreen Box  equals     SandyBrown Box   MediumOrchid Box   Empty Box   ForestGreen Box   Green Box   DarkSeaGreen Box

We start with three boxes, add three boxes, and now have six boxes.


In order to do basic addition, you must memorize some equations but fear not: FoxyMath will help you! When you are finished with this lesson, you will know the following equations:

3 + 1 = 4
3 + 2 = 5
3 + 3 = 6
3 + 4 = 7
3 + 5 = 8
3 + 6 = 9
3 + 7 = 10
3 + 8 = 11
3 + 9 = 12
3 + 10 = 13
3 + 11 = 14
3 + 12 = 15


The following exercise will help you learn the above equations and what they mean. Please take your time: take whatever time you need to learn the material.

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