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
44 + 20 = ______
14 + 20 = ______
34 + 20 = ______
55 − 10 = ______
4 × 10 = ______
42 + 20 = ______
76 + 10 = ______
57 − 10 = ______
3 × 10 = ______
89 − 10 = ______
75 + 20 = ______
2 × 10 = ______
23 + 20 = ______
5 × 10 = ______
67 + 10 = ______
27 + 10 = ______
50 + 10 = ______
19 + 10 = ______
60 + 10 = ______
81 + 10 = ______
