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
66 − 10 = ______
21 + 10 = ______
67 − 10 = ______
56 + 10 = ______
53 − 10 = ______
16 + 10 = ______
6 × 10 = ______
70 − 10 = ______
53 + 10 = ______
54 + 10 = ______
95 − 10 = ______
89 + 10 = ______
7 × 10 = ______
94 − 10 = ______
4 × 10 = ______
36 + 10 = ______
85 + 20 = ______
79 − 10 = ______
51 + 20 = ______
1 × 10 = ______
