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
43 − 10 = ______
72 + 10 = ______
14 + 20 = ______
2 × 10 = ______
65 + 20 = ______
33 + 10 = ______
38 − 10 = ______
36 + 20 = ______
81 + 10 = ______
23 − 10 = ______
29 + 10 = ______
54 − 10 = ______
28 − 10 = ______
83 + 20 = ______
88 − 10 = ______
50 + 10 = ______
55 + 20 = ______
12 + 20 = ______
29 − 10 = ______
87 + 20 = ______
