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
8 × 10 = ______
4 × 10 = ______
22 − 10 = ______
92 − 10 = ______
65 − 10 = ______
42 + 10 = ______
2 × 10 = ______
67 + 20 = ______
6 × 10 = ______
56 + 20 = ______
66 − 10 = ______
77 − 10 = ______
74 − 10 = ______
81 + 10 = ______
63 + 20 = ______
48 − 10 = ______
79 − 10 = ______
26 + 10 = ______
81 + 20 = ______
34 − 10 = ______
