algebraic addition

algebraic addition

[¦al·jə¦brā·ik ə′dish·ən]
(mathematics)
The addition of algebraic quantities in the sense that adding a negative quantity is the same as subtracting a positive one.
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We are also pioneering "Ninja Maths" which asks the reader to solve simple algebraic additions and multiplications quickly, and to "feel" the numbers in their heads as they solve each sum.