Everyday Math

Adding small numbers can be easy to solve mentally. On the other hand, solving larger numbers can be challenging for others. But, there are techniques to make solving larger sums easily. Technique number 1 is to practice solving problem sets in pen and paper quickly. Technique 2 is to start omitting carry-overs in pen and paper and start doing them mentally. Technique 3 is conversion of figures as shown in the solution below.

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Raising the level of challenge, let us solve these 3-digit addition problems. Try to solve these within 2 minutes. Also, practice solving these mentally in 3 minutes.

Proceeding with the second exercise. Practice solving these in pen and paper. Set a timer. Solve the set of problems a second time and try to beat your best time.