Practice mental math with randomly generated arithmetic problems at easy, medium, or hard difficulty. Includes answer key and strategy tips for each problem.
Mental Math Problems
67 − 41 = ? 92 + 43 = ? 25 + 13 = ? 3 × 60 = ? 85 − 66 = ?
5 Medium problems
Answer Key
67 − 41 = 26 92 + 43 = 135 25 + 13 = 38 3 × 60 = 180 85 − 66 = 19
Tips & Strategies
Q1: Round the second number, subtract, then adjust Q2: Add hundreds, then tens, then ones Q3: Add hundreds, then tens, then ones Q4: Break the larger number into parts and multiply each Q5: Round the second number, subtract, then adjust
Difficulty
Medium
Total Problems
5.00