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
56 + 20 = ______
47 − 10 = ______
76 + 10 = ______
51 − 10 = ______
44 + 20 = ______
5 × 10 = ______
36 − 10 = ______
91 − 10 = ______
79 − 10 = ______
2 × 10 = ______
50 + 20 = ______
85 + 20 = ______
7 × 10 = ______
4 × 10 = ______
11 + 10 = ______
24 + 20 = ______
31 + 10 = ______
67 + 20 = ______
74 + 10 = ______
11 + 20 = ______
