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
1 × 10 = ______
5 × 10 = ______
46 − 10 = ______
53 + 10 = ______
34 + 10 = ______
83 + 20 = ______
51 − 10 = ______
12 + 10 = ______
65 − 10 = ______
99 − 10 = ______
56 + 10 = ______
44 + 20 = ______
67 + 10 = ______
61 + 10 = ______
91 − 10 = ______
8 × 10 = ______
61 + 20 = ______
49 + 20 = ______
23 + 10 = ______
49 + 10 = ______
