Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
71 − 10 = ______
40 − 10 = ______
70 − 10 = ______
45 − 10 = ______
39 − 10 = ______
6 × 10 = ______
88 − 10 = ______
32 + 10 = ______
52 + 20 = ______
32 − 10 = ______
86 + 20 = ______
62 + 20 = ______
91 − 10 = ______
56 − 10 = ______
81 + 20 = ______
44 + 20 = ______
58 + 10 = ______
73 + 20 = ______
2 × 10 = ______
84 − 10 = ______
