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
5 × 10 = ______
86 + 10 = ______
31 + 10 = ______
63 + 20 = ______
79 − 10 = ______
40 + 10 = ______
67 − 10 = ______
3 × 10 = ______
65 − 10 = ______
22 + 10 = ______
7 × 10 = ______
8 × 10 = ______
60 + 20 = ______
39 + 20 = ______
68 − 10 = ______
76 − 10 = ______
16 + 10 = ______
62 + 10 = ______
50 + 20 = ______
17 + 10 = ______
