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
75 + 20 = ______
86 − 10 = ______
17 + 10 = ______
88 − 10 = ______
58 + 10 = ______
54 − 10 = ______
69 + 10 = ______
86 + 10 = ______
71 + 20 = ______
3 × 10 = ______
6 × 10 = ______
88 + 10 = ______
22 + 20 = ______
36 + 20 = ______
2 × 10 = ______
58 − 10 = ______
57 + 20 = ______
60 − 10 = ______
63 + 10 = ______
37 + 20 = ______
