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
6 × 10 = ______
4 × 10 = ______
57 − 10 = ______
8 × 10 = ______
71 + 10 = ______
80 + 20 = ______
36 + 10 = ______
59 + 10 = ______
63 − 10 = ______
87 + 20 = ______
81 + 20 = ______
2 × 10 = ______
18 + 10 = ______
5 × 10 = ______
84 + 20 = ______
15 + 10 = ______
61 − 10 = ______
83 + 10 = ______
57 + 20 = ______
51 + 20 = ______
