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
35 + 20 = ______
43 + 20 = ______
74 + 10 = ______
61 + 20 = ______
23 + 10 = ______
70 + 10 = ______
47 + 10 = ______
34 + 10 = ______
24 + 10 = ______
48 + 20 = ______
56 − 10 = ______
2 × 10 = ______
14 + 10 = ______
31 + 20 = ______
19 + 20 = ______
63 − 10 = ______
80 + 10 = ______
35 − 10 = ______
44 − 10 = ______
15 + 10 = ______
