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
58 + 20 = ______
2 × 10 = ______
61 + 20 = ______
76 + 10 = ______
86 + 20 = ______
47 + 10 = ______
1 × 10 = ______
72 + 20 = ______
58 + 10 = ______
11 + 10 = ______
12 + 20 = ______
13 + 20 = ______
66 + 10 = ______
16 + 20 = ______
9 × 10 = ______
70 + 10 = ______
21 + 10 = ______
26 + 10 = ______
3 × 10 = ______
8 × 10 = ______
