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
8 × 10 = ______
4 × 10 = ______
24 + 10 = ______
3 × 10 = ______
21 + 10 = ______
58 + 10 = ______
48 + 20 = ______
1 × 10 = ______
7 × 10 = ______
29 + 20 = ______
49 + 10 = ______
68 − 10 = ______
96 − 10 = ______
40 + 20 = ______
70 − 10 = ______
67 + 20 = ______
32 − 10 = ______
34 + 20 = ______
21 + 20 = ______
81 − 10 = ______
