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
21 + 20 = ______
72 − 10 = ______
9 × 10 = ______
97 − 10 = ______
63 + 10 = ______
6 × 10 = ______
2 × 10 = ______
43 + 20 = ______
54 − 10 = ______
17 + 10 = ______
65 − 10 = ______
77 − 10 = ______
1 × 10 = ______
73 − 10 = ______
5 × 10 = ______
75 + 20 = ______
56 + 20 = ______
71 + 10 = ______
7 × 10 = ______
43 + 10 = ______
