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
79 − 10 = ______
25 + 20 = ______
90 − 10 = ______
63 + 20 = ______
72 + 10 = ______
98 − 10 = ______
68 + 10 = ______
60 + 10 = ______
3 × 10 = ______
76 + 20 = ______
7 × 10 = ______
62 + 20 = ______
23 + 20 = ______
51 + 20 = ______
30 − 10 = ______
62 + 10 = ______
76 − 10 = ______
8 × 10 = ______
28 + 10 = ______
32 + 20 = ______
