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
42 − 10 = ______
47 + 10 = ______
9 × 10 = ______
41 − 10 = ______
51 + 10 = ______
51 − 10 = ______
78 − 10 = ______
21 + 20 = ______
52 + 10 = ______
58 + 20 = ______
5 × 10 = ______
38 − 10 = ______
22 + 10 = ______
56 + 20 = ______
26 − 10 = ______
35 + 10 = ______
48 + 20 = ______
40 + 20 = ______
80 + 20 = ______
53 − 10 = ______
