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
89 − 10 = ______
18 + 20 = ______
67 + 20 = ______
86 + 10 = ______
7 × 10 = ______
12 + 20 = ______
68 + 20 = ______
94 − 10 = ______
36 + 10 = ______
9 × 10 = ______
37 + 10 = ______
28 + 20 = ______
79 − 10 = ______
6 × 10 = ______
32 + 10 = ______
41 − 10 = ______
13 + 20 = ______
8 × 10 = ______
72 + 20 = ______
58 − 10 = ______
