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
2 × 10 = ______
5 × 10 = ______
6 × 10 = ______
89 + 10 = ______
81 + 20 = ______
41 + 10 = ______
8 × 10 = ______
36 + 20 = ______
67 + 20 = ______
3 × 10 = ______
15 + 10 = ______
7 × 10 = ______
29 − 10 = ______
84 − 10 = ______
9 × 10 = ______
33 + 20 = ______
85 + 20 = ______
1 × 10 = ______
76 − 10 = ______
65 − 10 = ______
