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
40 − 10 = ______
37 − 10 = ______
25 + 10 = ______
89 − 10 = ______
61 + 10 = ______
65 − 10 = ______
31 + 20 = ______
85 + 20 = ______
71 + 10 = ______
85 − 10 = ______
69 + 10 = ______
61 + 20 = ______
67 + 20 = ______
63 + 10 = ______
8 × 10 = ______
27 + 10 = ______
9 × 10 = ______
30 + 10 = ______
3 × 10 = ______
91 − 10 = ______
