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
1 × 10 = ______
4 × 10 = ______
88 − 10 = ______
8 × 10 = ______
77 + 20 = ______
33 + 20 = ______
71 + 10 = ______
84 + 20 = ______
43 + 10 = ______
33 − 10 = ______
2 × 10 = ______
54 − 10 = ______
48 − 10 = ______
80 + 10 = ______
58 − 10 = ______
64 + 10 = ______
80 + 20 = ______
7 × 10 = ______
28 − 10 = ______
57 − 10 = ______
