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
88 + 20 = ______
26 + 10 = ______
88 + 10 = ______
23 + 10 = ______
5 × 10 = ______
67 + 10 = ______
6 × 10 = ______
67 − 10 = ______
31 − 10 = ______
86 + 20 = ______
45 + 10 = ______
76 − 10 = ______
75 + 20 = ______
29 + 10 = ______
89 + 10 = ______
85 − 10 = ______
26 − 10 = ______
54 + 10 = ______
92 − 10 = ______
56 + 20 = ______
