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
92 − 10 = ______
57 + 20 = ______
78 + 20 = ______
94 − 10 = ______
41 + 10 = ______
56 + 10 = ______
6 × 10 = ______
99 − 10 = ______
17 + 10 = ______
4 × 10 = ______
2 × 10 = ______
97 − 10 = ______
87 + 20 = ______
29 + 10 = ______
34 + 10 = ______
59 + 20 = ______
79 + 10 = ______
81 + 20 = ______
51 − 10 = ______
64 + 10 = ______
