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
58 + 20 = ______
26 − 10 = ______
83 + 10 = ______
5 × 10 = ______
39 + 10 = ______
53 − 10 = ______
9 × 10 = ______
67 + 10 = ______
50 + 20 = ______
70 + 10 = ______
37 − 10 = ______
48 − 10 = ______
34 − 10 = ______
66 + 20 = ______
40 + 20 = ______
22 − 10 = ______
18 + 10 = ______
22 + 20 = ______
47 − 10 = ______
39 + 20 = ______
