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
69 − 10 = ______
64 + 10 = ______
6 × 10 = ______
77 + 20 = ______
81 + 10 = ______
7 × 10 = ______
51 − 10 = ______
40 − 10 = ______
41 + 20 = ______
18 + 10 = ______
89 − 10 = ______
39 − 10 = ______
2 × 10 = ______
74 + 20 = ______
75 − 10 = ______
4 × 10 = ______
72 + 20 = ______
72 + 10 = ______
57 + 20 = ______
25 − 10 = ______
