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
45 + 10 = ______
9 × 10 = ______
8 × 10 = ______
22 + 20 = ______
23 + 10 = ______
61 + 20 = ______
40 − 10 = ______
84 + 10 = ______
73 − 10 = ______
64 + 20 = ______
68 + 20 = ______
95 − 10 = ______
28 − 10 = ______
7 × 10 = ______
34 − 10 = ______
5 × 10 = ______
77 + 10 = ______
64 − 10 = ______
14 + 20 = ______
2 × 10 = ______
