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
1 × 10 = ______
9 × 10 = ______
3 × 10 = ______
89 − 10 = ______
4 × 10 = ______
35 − 10 = ______
97 − 10 = ______
41 + 20 = ______
7 × 10 = ______
31 + 10 = ______
6 × 10 = ______
49 + 20 = ______
78 + 10 = ______
14 + 10 = ______
43 − 10 = ______
50 + 20 = ______
5 × 10 = ______
74 + 20 = ______
59 + 20 = ______
58 − 10 = ______
