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Enhance your mental math abilities with this comprehensive set of addition and subtraction exercises. This resource features a variety of math problems, including sums such as 6 + 5 and 9 + 8, along with subtraction challenges like 99 - 75 and 80 - 64. Perfect for learners of all ages, these exercises are designed to improve speed and accuracy in mental calculations. Whether you're a student, teacher, or math enthusiast, practicing these problems will boost your confidence in performing basic arithmetic mentally.
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MENTAL COMPUTATION 1. ADDITION AND SUBTRACTION
(1) 6 + 5 =
(2) 3 + 9 =
(3) 6 + 6 =
(4) 7 + 7 =
(5) 9 + 8 =
(6) 16 + 63 =
(7) 43 + 12 =
(8) 23 + 19 =
(9) 27 + 47 =
(10) 37 + 34 =
(11) 48 + 24 =
(12) 22 + 59 =
(13) 11 + 70 =
(14) 9 + 43 =
(15) 17 + 18 =
(16) 97 - 32 =
(17) 85 - 35 =
(18) 76 - 42 =
(19) 99 - 75 =
(20) 79 - 26 =
(21) 78 - 35 =
(22) 51 - 39 =
(23) 81 - 49 =
(24) 62 - 37 =
(25) 55 - 27 =
(26) 81- = 40
(27) 45- = 15
(28) - 80 =16
(29) -10 = 54
(30) - 50 = 20