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 = ______
70 − 10 = ______
13 + 20 = ______
47 + 20 = ______
89 − 10 = ______
9 × 10 = ______
67 + 10 = ______
2 × 10 = ______
40 − 10 = ______
27 + 20 = ______
92 − 10 = ______
70 + 10 = ______
26 + 10 = ______
53 + 20 = ______
19 + 20 = ______
40 + 10 = ______
7 × 10 = ______
73 + 10 = ______
38 + 20 = ______
96 − 10 = ______
