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
18 + 10 = ______
94 − 10 = ______
77 − 10 = ______
39 + 10 = ______
48 − 10 = ______
59 − 10 = ______
3 × 10 = ______
41 + 20 = ______
42 + 20 = ______
80 + 20 = ______
28 + 20 = ______
75 + 10 = ______
25 + 20 = ______
72 + 20 = ______
32 + 10 = ______
39 − 10 = ______
28 − 10 = ______
4 × 10 = ______
35 − 10 = ______
61 − 10 = ______
