08MAR21MON

More examples on the interpretation of addition and subtraction of numbers using the number line

5 + 3 = ? 5 r , 3 r 8

-5 + 3 = ? 5 l , 3 r -2

5 + -3 = ? 5 r , 3 l 2

-5 + -3 = ? 5 l , 3 l -8

5 –– 3 = ? 5 r u 3 r 2

-5 –– 3 = ? 5 l u 3 r -8

5 –– -3 = ? 5 r u 3 l 8

-5 –– -3 = ? 5 l u 3 l -2


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