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
22 + 20 = ______
43 − 10 = ______
28 + 10 = ______
65 + 10 = ______
2 × 10 = ______
78 + 10 = ______
69 − 10 = ______
91 − 10 = ______
8 × 10 = ______
17 + 10 = ______
9 × 10 = ______
61 + 10 = ______
53 + 20 = ______
36 + 10 = ______
4 × 10 = ______
97 − 10 = ______
22 + 10 = ______
83 + 10 = ______
74 + 10 = ______
58 + 20 = ______
