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
47 − 10 = ______
2 × 10 = ______
27 + 20 = ______
86 + 20 = ______
53 − 10 = ______
37 + 20 = ______
45 + 10 = ______
30 + 10 = ______
40 + 10 = ______
7 × 10 = ______
80 − 10 = ______
6 × 10 = ______
32 + 10 = ______
70 + 10 = ______
49 + 20 = ______
31 − 10 = ______
43 − 10 = ______
63 + 20 = ______
67 + 20 = ______
39 − 10 = ______