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
11 + 20 = ______
62 + 10 = ______
24 + 20 = ______
45 − 10 = ______
96 − 10 = ______
46 + 20 = ______
79 + 10 = ______
5 × 10 = ______
41 + 10 = ______
81 + 20 = ______
80 + 10 = ______
58 + 20 = ______
38 + 20 = ______
13 + 20 = ______
66 + 20 = ______
3 × 10 = ______
86 − 10 = ______
85 + 10 = ______
30 + 10 = ______
74 − 10 = ______
