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
36 + 20 = ______
79 + 20 = ______
35 + 10 = ______
26 + 20 = ______
44 + 20 = ______
34 − 10 = ______
45 + 20 = ______
15 + 20 = ______
46 − 10 = ______
64 + 10 = ______
94 − 10 = ______
71 + 20 = ______
29 + 20 = ______
16 + 10 = ______
61 − 10 = ______
67 + 20 = ______
2 × 10 = ______
66 + 20 = ______
62 + 20 = ______
40 + 10 = ______
