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
8 × 10 = ______
89 − 10 = ______
13 + 10 = ______
80 − 10 = ______
4 × 10 = ______
46 − 10 = ______
9 × 10 = ______
58 − 10 = ______
42 + 10 = ______
61 − 10 = ______
89 + 10 = ______
72 + 10 = ______
25 + 10 = ______
70 + 10 = ______
33 − 10 = ______
29 + 10 = ______
80 + 20 = ______
5 × 10 = ______
36 + 20 = ______
7 × 10 = ______
