Mental Math
Mental Math. Strand B – Grade 6. Quick Addition and Subtraction. Use this strategy when no regrouping is needed. Begin the calculation from the front end. Example : 2.327 + 1.441 Think: 2 + 1 = 3, 3 + 4 = 7, 2 + 4 = 6, 7 + 1 = 8 which gives the answer 3.768. Quick Addition and Subtraction.
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