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
31 + 10 = ______
4 × 10 = ______
30 − 10 = ______
54 − 10 = ______
79 − 10 = ______
19 + 20 = ______
78 − 10 = ______
16 + 20 = ______
43 + 10 = ______
74 + 10 = ______
81 + 20 = ______
64 + 20 = ______
9 × 10 = ______
47 + 20 = ______
39 + 20 = ______
7 × 10 = ______
11 + 10 = ______
38 + 10 = ______
84 − 10 = ______
40 − 10 = ______
