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
5 × 10 = ______
72 + 20 = ______
72 + 10 = ______
48 + 20 = ______
49 − 10 = ______
77 + 20 = ______
86 − 10 = ______
7 × 10 = ______
64 − 10 = ______
74 + 20 = ______
84 + 10 = ______
37 + 20 = ______
38 − 10 = ______
9 × 10 = ______
51 + 10 = ______
46 + 20 = ______
42 + 10 = ______
2 × 10 = ______
59 + 10 = ______
8 × 10 = ______
