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
25 + 20 = ______
42 + 10 = ______
70 − 10 = ______
51 + 10 = ______
68 + 20 = ______
61 + 10 = ______
87 + 20 = ______
4 × 10 = ______
28 + 20 = ______
73 − 10 = ______
11 + 10 = ______
7 × 10 = ______
78 + 20 = ______
56 − 10 = ______
56 + 20 = ______
19 + 10 = ______
58 + 10 = ______
2 × 10 = ______
84 + 10 = ______
1 × 10 = ______
