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
21 − 10 = ______
3 × 10 = ______
1 × 10 = ______
29 + 10 = ______
89 + 20 = ______
80 + 20 = ______
57 − 10 = ______
4 × 10 = ______
25 − 10 = ______
96 − 10 = ______
18 + 20 = ______
53 + 20 = ______
45 − 10 = ______
6 × 10 = ______
69 + 10 = ______
60 + 10 = ______
7 × 10 = ______
24 − 10 = ______
40 − 10 = ______
9 × 10 = ______
