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
58 − 10 = ______
77 + 20 = ______
49 + 20 = ______
65 + 20 = ______
55 − 10 = ______
30 + 10 = ______
5 × 10 = ______
13 + 10 = ______
17 + 10 = ______
84 + 10 = ______
27 − 10 = ______
4 × 10 = ______
11 + 20 = ______
27 + 20 = ______
58 + 20 = ______
16 + 20 = ______
61 + 20 = ______
15 + 10 = ______
3 × 10 = ______
12 + 20 = ______
