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
80 − 10 = ______
19 + 10 = ______
3 × 10 = ______
61 + 10 = ______
7 × 10 = ______
54 + 10 = ______
77 + 20 = ______
36 + 20 = ______
83 − 10 = ______
38 − 10 = ______
73 + 10 = ______
8 × 10 = ______
49 − 10 = ______
66 − 10 = ______
34 + 10 = ______
33 + 10 = ______
23 − 10 = ______
62 + 20 = ______
44 + 20 = ______
48 + 10 = ______
