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
43 − 10 = ______
59 + 10 = ______
6 × 10 = ______
2 × 10 = ______
22 + 10 = ______
31 + 10 = ______
28 + 20 = ______
36 + 20 = ______
81 − 10 = ______
5 × 10 = ______
63 + 10 = ______
74 − 10 = ______
39 + 20 = ______
39 − 10 = ______
27 + 20 = ______
59 + 20 = ______
21 + 20 = ______
4 × 10 = ______
32 − 10 = ______
54 + 20 = ______
