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
27 + 20 = ______
9 × 10 = ______
89 − 10 = ______
26 − 10 = ______
60 + 20 = ______
71 − 10 = ______
8 × 10 = ______
38 + 10 = ______
58 − 10 = ______
26 + 10 = ______
2 × 10 = ______
50 + 20 = ______
97 − 10 = ______
37 + 10 = ______
14 + 10 = ______
3 × 10 = ______
16 + 10 = ______
39 + 10 = ______
38 − 10 = ______
69 − 10 = ______
