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
3 × 10 = ______
23 + 20 = ______
1 × 10 = ______
23 − 10 = ______
2 × 10 = ______
47 − 10 = ______
46 + 10 = ______
8 × 10 = ______
53 + 20 = ______
65 − 10 = ______
87 − 10 = ______
70 − 10 = ______
21 − 10 = ______
79 + 20 = ______
56 + 20 = ______
40 − 10 = ______
58 + 10 = ______
7 × 10 = ______
67 + 10 = ______
38 − 10 = ______
