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
92 − 10 = ______
99 − 10 = ______
28 + 10 = ______
91 − 10 = ______
71 + 10 = ______
20 + 20 = ______
54 + 20 = ______
75 + 20 = ______
1 × 10 = ______
3 × 10 = ______
43 + 10 = ______
7 × 10 = ______
5 × 10 = ______
22 + 20 = ______
13 + 10 = ______
47 + 10 = ______
78 + 10 = ______
83 + 20 = ______
86 − 10 = ______
34 + 10 = ______
