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 = ______
6 × 10 = ______
81 − 10 = ______
36 + 10 = ______
35 − 10 = ______
51 + 20 = ______
53 + 20 = ______
8 × 10 = ______
77 + 10 = ______
81 + 20 = ______
48 − 10 = ______
70 + 10 = ______
79 − 10 = ______
54 + 10 = ______
64 − 10 = ______
66 + 20 = ______
29 + 20 = ______
2 × 10 = ______
5 × 10 = ______
14 + 10 = ______
