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
67 − 10 = ______
46 + 10 = ______
73 + 10 = ______
71 + 10 = ______
82 + 10 = ______
48 − 10 = ______
4 × 10 = ______
7 × 10 = ______
79 − 10 = ______
51 + 20 = ______
69 + 10 = ______
84 − 10 = ______
30 + 10 = ______
83 + 20 = ______
84 + 20 = ______
66 + 20 = ______
89 − 10 = ______
59 + 20 = ______
19 + 10 = ______
59 + 10 = ______
