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
23 + 10 = ______
64 + 20 = ______
89 + 10 = ______
47 + 10 = ______
3 × 10 = ______
14 + 10 = ______
77 + 20 = ______
77 + 10 = ______
9 × 10 = ______
83 + 20 = ______
35 − 10 = ______
16 + 20 = ______
55 + 20 = ______
49 − 10 = ______
54 − 10 = ______
4 × 10 = ______
49 + 10 = ______
92 − 10 = ______
53 + 20 = ______
12 + 20 = ______
