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
4 × 10 = ______
7 × 10 = ______
81 + 20 = ______
55 + 20 = ______
81 − 10 = ______
74 + 20 = ______
83 + 10 = ______
2 × 10 = ______
97 − 10 = ______
1 × 10 = ______
65 + 20 = ______
9 × 10 = ______
44 + 20 = ______
32 + 10 = ______
66 + 10 = ______
94 − 10 = ______
17 + 20 = ______
38 + 10 = ______
79 + 20 = ______
95 − 10 = ______
