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again if you missed it the first time! You can also review each section of
the train by clicking the on-screen left or right arrow button.
14. Addition
The goal in this game is to type in the correct answer to an addition
problem shown on the screen. The first thing that will appear is an
addition problem using pictures. Press the CHANGE key to change
how the question is asked. The question can be seen in picture form
for younger children who are just learning how to add, or can be changed
to number form for older children who need more of a challenge. Type
in the answer using the keyboard.
Graphic expression
Vertical expression
Horizontal expression
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