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
49 − 10 = ______
22 + 20 = ______
4 × 10 = ______
24 − 10 = ______
79 + 20 = ______
6 × 10 = ______
99 − 10 = ______
9 × 10 = ______
11 + 10 = ______
72 − 10 = ______
7 × 10 = ______
17 + 10 = ______
57 + 20 = ______
62 + 10 = ______
58 + 20 = ______
86 − 10 = ______
30 − 10 = ______
61 − 10 = ______
19 + 20 = ______
83 + 10 = ______
