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
62 + 10 = ______
40 − 10 = ______
39 − 10 = ______
7 × 10 = ______
3 × 10 = ______
75 + 20 = ______
82 + 20 = ______
9 × 10 = ______
54 − 10 = ______
68 − 10 = ______
36 + 20 = ______
33 + 20 = ______
63 + 10 = ______
48 + 10 = ______
31 − 10 = ______
2 × 10 = ______
76 + 10 = ______
19 + 20 = ______
28 + 20 = ______
4 × 10 = ______
