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
74 + 20 = ______
83 + 20 = ______
95 − 10 = ______
64 + 10 = ______
20 + 10 = ______
3 × 10 = ______
84 + 20 = ______
8 × 10 = ______
86 + 10 = ______
51 − 10 = ______
4 × 10 = ______
31 + 20 = ______
80 + 20 = ______
27 + 20 = ______
80 − 10 = ______
88 − 10 = ______
57 − 10 = ______
37 + 10 = ______
61 + 10 = ______
51 + 20 = ______
