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
1 × 10 = ______
51 − 10 = ______
79 + 10 = ______
36 + 10 = ______
42 + 20 = ______
87 − 10 = ______
81 − 10 = ______
45 + 20 = ______
4 × 10 = ______
32 + 10 = ______
38 + 20 = ______
7 × 10 = ______
58 − 10 = ______
13 + 10 = ______
66 − 10 = ______
2 × 10 = ______
41 + 20 = ______
17 + 20 = ______
55 − 10 = ______
3 × 10 = ______
