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
45 + 20 = ______
16 + 10 = ______
49 + 20 = ______
7 × 10 = ______
30 + 10 = ______
29 + 10 = ______
8 × 10 = ______
63 + 20 = ______
27 + 10 = ______
71 − 10 = ______
61 + 10 = ______
80 + 10 = ______
76 − 10 = ______
49 − 10 = ______
48 + 10 = ______
60 + 10 = ______
80 + 20 = ______
1 × 10 = ______
4 × 10 = ______
34 + 20 = ______
