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
26 + 10 = ______
15 + 10 = ______
80 − 10 = ______
41 + 20 = ______
57 − 10 = ______
37 + 10 = ______
45 + 20 = ______
69 − 10 = ______
11 + 20 = ______
22 + 10 = ______
4 × 10 = ______
55 + 10 = ______
32 + 10 = ______
26 − 10 = ______
61 + 20 = ______
51 − 10 = ______
27 − 10 = ______
45 − 10 = ______
43 − 10 = ______
55 + 20 = ______
