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
38 + 20 = ______
84 + 20 = ______
90 − 10 = ______
61 − 10 = ______
72 + 20 = ______
17 + 20 = ______
37 + 20 = ______
43 + 10 = ______
6 × 10 = ______
48 + 10 = ______
7 × 10 = ______
2 × 10 = ______
41 − 10 = ______
34 + 10 = ______
3 × 10 = ______
29 + 20 = ______
23 + 20 = ______
9 × 10 = ______
37 − 10 = ______
12 + 10 = ______
