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
89 + 20 = ______
7 × 10 = ______
21 − 10 = ______
3 × 10 = ______
25 − 10 = ______
70 + 20 = ______
37 + 10 = ______
6 × 10 = ______
27 + 20 = ______
2 × 10 = ______
40 + 10 = ______
4 × 10 = ______
48 + 20 = ______
58 + 10 = ______
21 + 20 = ______
53 + 10 = ______
57 + 20 = ______
40 − 10 = ______
44 + 10 = ______
9 × 10 = ______
