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
50 + 10 = ______
79 + 10 = ______
52 + 10 = ______
14 + 10 = ______
32 − 10 = ______
93 − 10 = ______
83 + 20 = ______
84 + 10 = ______
24 + 20 = ______
65 − 10 = ______
31 − 10 = ______
23 + 20 = ______
68 + 10 = ______
80 − 10 = ______
18 + 20 = ______
16 + 20 = ______
95 − 10 = ______
3 × 10 = ______
5 × 10 = ______
56 + 20 = ______
