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
31 + 20 = ______
2 × 10 = ______
76 − 10 = ______
59 − 10 = ______
93 − 10 = ______
39 + 10 = ______
7 × 10 = ______
32 + 10 = ______
58 − 10 = ______
36 + 20 = ______
44 + 10 = ______
39 − 10 = ______
44 + 20 = ______
77 − 10 = ______
84 + 10 = ______
1 × 10 = ______
81 + 10 = ______
40 + 10 = ______
9 × 10 = ______
37 + 20 = ______
