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
11 + 20 = ______
72 + 10 = ______
86 + 10 = ______
38 + 10 = ______
86 + 20 = ______
55 + 10 = ______
1 × 10 = ______
3 × 10 = ______
88 + 10 = ______
56 + 20 = ______
2 × 10 = ______
29 + 20 = ______
4 × 10 = ______
57 + 20 = ______
68 − 10 = ______
53 − 10 = ______
29 − 10 = ______
5 × 10 = ______
47 − 10 = ______
19 + 20 = ______
