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
9 × 10 = ______
23 − 10 = ______
47 + 10 = ______
27 + 10 = ______
72 − 10 = ______
86 − 10 = ______
57 + 10 = ______
42 + 20 = ______
92 − 10 = ______
83 + 10 = ______
37 + 10 = ______
74 + 20 = ______
8 × 10 = ______
38 + 20 = ______
12 + 10 = ______
2 × 10 = ______
84 + 10 = ______
83 + 20 = ______
59 − 10 = ______
33 − 10 = ______
