The song I recorded below is very helpful in introducing the concept of adding and subtracting integers. It helps learners remember how to perform the operations. You can also find application exercises with their correction below.
It goes like this (easy to memorize, same tune as row row
row your boat):
Same sign add and keep,
Different sign subtract.
Take the sign of the bigger number,
Then you'll be exact!
Examples:
Correction:
Reference:
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