Basic Addition Lesson 4: Number 4
Here's an easy example:
Chartreuse Box DarkTurquoise Box Violet Box Coral Box
plus
DodgerBlue Box
equals
Chartreuse Box DarkTurquoise Box Violet Box Coral Box DodgerBlue Box
We start with four boxes, add one box, and now have five boxes.
Here's another example:
Peru Box DarkOrchid Box Cyan Box Purple Box
plus
CadetBlue Box DeepPink Box
equals
Peru Box DarkOrchid Box Cyan Box Purple Box CadetBlue Box DeepPink Box
We start with four boxes, add two boxes, and now have six boxes.
Try this problem.
Pink Box Sienna Box GreenYellow Box SandyBrown Box
plus
Lavender Box DarkGreen Box Brown Box
equals
Pink Box Sienna Box GreenYellow Box SandyBrown Box Lavender Box DarkGreen Box Brown Box
We start with four boxes, add three boxes, and now have seven 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:
4 + 1 = 5
4 + 2 = 6
4 + 3 = 7
4 + 4 = 8
4 + 5 = 9
4 + 6 = 10
4 + 7 = 11
4 + 8 = 12
4 + 9 = 13
4 + 10 = 14
4 + 11 = 15
4 + 12 = 16
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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