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
7 × 10 = ______
9 × 10 = ______
90 − 10 = ______
81 + 20 = ______
54 + 20 = ______
27 + 20 = ______
51 + 20 = ______
60 + 10 = ______
67 − 10 = ______
38 − 10 = ______
66 + 10 = ______
30 + 10 = ______
73 − 10 = ______
24 − 10 = ______
30 − 10 = ______
96 − 10 = ______
21 + 10 = ______
43 + 20 = ______
57 − 10 = ______
34 − 10 = ______
