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
84 + 20 = ______
80 − 10 = ______
56 + 20 = ______
37 − 10 = ______
47 + 10 = ______
69 + 10 = ______
70 − 10 = ______
7 × 10 = ______
33 + 20 = ______
8 × 10 = ______
93 − 10 = ______
6 × 10 = ______
74 + 10 = ______
84 − 10 = ______
52 + 10 = ______
76 + 20 = ______
75 + 10 = ______
49 + 10 = ______
50 − 10 = ______
42 + 10 = ______
