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
66 − 10 = ______
1 × 10 = ______
6 × 10 = ______
59 − 10 = ______
8 × 10 = ______
93 − 10 = ______
75 + 10 = ______
94 − 10 = ______
35 + 10 = ______
3 × 10 = ______
62 + 20 = ______
5 × 10 = ______
34 + 20 = ______
69 − 10 = ______
70 + 20 = ______
13 + 10 = ______
98 − 10 = ______
15 + 10 = ______
68 − 10 = ______
21 + 20 = ______
