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
13 + 10 = ______
22 + 20 = ______
66 − 10 = ______
37 + 10 = ______
33 + 10 = ______
30 + 10 = ______
68 + 20 = ______
89 + 10 = ______
37 − 10 = ______
69 − 10 = ______
94 − 10 = ______
1 × 10 = ______
3 × 10 = ______
79 + 20 = ______
60 − 10 = ______
89 − 10 = ______
14 + 20 = ______
59 − 10 = ______
65 + 10 = ______
36 + 20 = ______
