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
85 + 10 = ______
9 × 10 = ______
6 × 10 = ______
88 + 20 = ______
2 × 10 = ______
99 − 10 = ______
8 × 10 = ______
36 + 10 = ______
45 − 10 = ______
72 + 10 = ______
5 × 10 = ______
21 + 10 = ______
7 × 10 = ______
11 + 20 = ______
73 + 20 = ______
44 + 10 = ______
76 − 10 = ______
52 − 10 = ______
4 × 10 = ______
37 − 10 = ______
