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
47 + 10 = ______
70 − 10 = ______
37 + 10 = ______
80 + 20 = ______
79 + 10 = ______
32 + 20 = ______
1 × 10 = ______
20 + 10 = ______
25 + 10 = ______
23 − 10 = ______
68 − 10 = ______
48 + 20 = ______
87 + 20 = ______
6 × 10 = ______
97 − 10 = ______
57 + 10 = ______
19 + 10 = ______
94 − 10 = ______
3 × 10 = ______
27 − 10 = ______
