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
80 + 20 = ______
19 + 10 = ______
66 − 10 = ______
2 × 10 = ______
86 + 10 = ______
54 + 10 = ______
63 + 20 = ______
96 − 10 = ______
8 × 10 = ______
77 + 10 = ______
12 + 20 = ______
17 + 20 = ______
76 + 20 = ______
55 + 10 = ______
58 − 10 = ______
7 × 10 = ______
65 − 10 = ______
48 + 20 = ______
6 × 10 = ______
83 + 20 = ______
