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
72 + 10 = ______
6 × 10 = ______
25 + 20 = ______
56 + 10 = ______
78 + 10 = ______
31 + 20 = ______
38 − 10 = ______
87 + 20 = ______
99 − 10 = ______
9 × 10 = ______
30 + 10 = ______
90 − 10 = ______
70 − 10 = ______
4 × 10 = ______
39 + 20 = ______
48 − 10 = ______
35 + 20 = ______
41 + 10 = ______
41 + 20 = ______
2 × 10 = ______
