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
81 − 10 = ______
76 + 20 = ______
49 + 10 = ______
88 + 10 = ______
69 − 10 = ______
3 × 10 = ______
39 + 10 = ______
86 + 20 = ______
8 × 10 = ______
19 + 10 = ______
29 + 10 = ______
57 − 10 = ______
27 + 20 = ______
38 + 10 = ______
39 − 10 = ______
50 + 20 = ______
63 + 20 = ______
1 × 10 = ______
72 + 20 = ______
62 + 20 = ______
