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
69 + 10 = ______
58 + 10 = ______
37 + 10 = ______
21 + 20 = ______
97 − 10 = ______
8 × 10 = ______
32 + 20 = ______
90 − 10 = ______
69 + 20 = ______
73 + 20 = ______
49 + 20 = ______
27 + 10 = ______
30 + 10 = ______
91 − 10 = ______
83 + 20 = ______
3 × 10 = ______
5 × 10 = ______
68 + 10 = ______
70 + 10 = ______
53 + 20 = ______
