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
62 + 20 = ______
53 + 20 = ______
80 + 10 = ______
8 × 10 = ______
59 − 10 = ______
49 + 20 = ______
58 + 10 = ______
9 × 10 = ______
78 + 20 = ______
2 × 10 = ______
15 + 20 = ______
54 + 10 = ______
25 − 10 = ______
40 + 10 = ______
13 + 20 = ______
7 × 10 = ______
42 + 20 = ______
45 − 10 = ______
31 − 10 = ______
22 + 20 = ______
