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
73 − 10 = ______
21 + 20 = ______
55 + 10 = ______
21 − 10 = ______
1 × 10 = ______
34 + 20 = ______
3 × 10 = ______
4 × 10 = ______
9 × 10 = ______
64 + 10 = ______
85 + 10 = ______
49 + 10 = ______
73 + 10 = ______
69 + 20 = ______
58 + 20 = ______
95 − 10 = ______
72 + 20 = ______
63 + 10 = ______
23 + 20 = ______
17 + 10 = ______
