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
17 + 20 = ______
1 × 10 = ______
81 − 10 = ______
6 × 10 = ______
9 × 10 = ______
2 × 10 = ______
44 + 10 = ______
25 + 20 = ______
84 + 10 = ______
94 − 10 = ______
25 − 10 = ______
44 − 10 = ______
83 + 10 = ______
37 + 10 = ______
51 + 20 = ______
50 + 10 = ______
3 × 10 = ______
65 + 10 = ______
41 + 20 = ______
11 + 10 = ______
