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
83 + 20 = ______
91 − 10 = ______
77 + 10 = ______
31 + 10 = ______
47 + 10 = ______
58 − 10 = ______
24 − 10 = ______
66 − 10 = ______
55 − 10 = ______
80 + 20 = ______
76 − 10 = ______
87 + 10 = ______
8 × 10 = ______
88 − 10 = ______
52 + 20 = ______
49 − 10 = ______
83 + 10 = ______
5 × 10 = ______
23 − 10 = ______
51 − 10 = ______
