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
35 + 10 = ______
36 − 10 = ______
67 + 10 = ______
64 + 10 = ______
84 − 10 = ______
23 + 20 = ______
71 − 10 = ______
74 + 10 = ______
57 + 10 = ______
48 + 20 = ______
8 × 10 = ______
86 + 10 = ______
55 − 10 = ______
45 + 20 = ______
32 − 10 = ______
42 + 20 = ______
4 × 10 = ______
3 × 10 = ______
1 × 10 = ______
27 − 10 = ______
