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
41 + 20 = ______
5 × 10 = ______
1 × 10 = ______
89 − 10 = ______
74 + 20 = ______
97 − 10 = ______
21 + 10 = ______
83 + 20 = ______
19 + 10 = ______
63 + 20 = ______
82 + 10 = ______
58 + 10 = ______
46 − 10 = ______
71 + 20 = ______
77 + 20 = ______
56 + 10 = ______
48 + 10 = ______
51 + 10 = ______
48 + 20 = ______
65 − 10 = ______
