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
81 + 20 = ______
37 + 20 = ______
2 × 10 = ______
6 × 10 = ______
53 − 10 = ______
49 + 20 = ______
63 + 20 = ______
29 − 10 = ______
29 + 20 = ______
42 − 10 = ______
76 − 10 = ______
72 − 10 = ______
14 + 20 = ______
96 − 10 = ______
86 + 10 = ______
62 + 10 = ______
63 + 10 = ______
3 × 10 = ______
21 − 10 = ______
61 + 20 = ______
