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
99 − 10 = ______
86 + 10 = ______
18 + 20 = ______
8 × 10 = ______
38 − 10 = ______
4 × 10 = ______
48 + 20 = ______
6 × 10 = ______
9 × 10 = ______
76 − 10 = ______
84 − 10 = ______
74 − 10 = ______
62 − 10 = ______
46 + 20 = ______
93 − 10 = ______
16 + 10 = ______
64 + 10 = ______
3 × 10 = ______
94 − 10 = ______
17 + 20 = ______
