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
27 − 10 = ______
52 − 10 = ______
95 − 10 = ______
28 − 10 = ______
20 + 20 = ______
36 + 10 = ______
48 + 20 = ______
4 × 10 = ______
2 × 10 = ______
49 + 10 = ______
7 × 10 = ______
67 + 20 = ______
50 + 10 = ______
52 + 10 = ______
35 − 10 = ______
68 + 10 = ______
43 + 20 = ______
92 − 10 = ______
21 + 10 = ______
63 + 20 = ______
