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
65 + 10 = ______
5 × 10 = ______
84 + 10 = ______
49 − 10 = ______
31 − 10 = ______
24 + 20 = ______
69 + 20 = ______
74 + 10 = ______
8 × 10 = ______
48 + 20 = ______
38 + 20 = ______
86 + 20 = ______
84 + 20 = ______
67 + 10 = ______
23 + 20 = ______
9 × 10 = ______
43 + 10 = ______
47 + 10 = ______
44 + 10 = ______
3 × 10 = ______
