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
4 × 10 = ______
21 + 10 = ______
63 + 10 = ______
48 − 10 = ______
24 − 10 = ______
52 + 20 = ______
83 + 20 = ______
72 + 20 = ______
38 + 10 = ______
9 × 10 = ______
66 + 10 = ______
86 + 20 = ______
59 + 20 = ______
72 + 10 = ______
78 − 10 = ______
2 × 10 = ______
47 + 10 = ______
47 − 10 = ______
55 − 10 = ______
6 × 10 = ______