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
49 + 10 = ______
46 + 20 = ______
4 × 10 = ______
23 + 20 = ______
22 + 10 = ______
65 + 20 = ______
57 − 10 = ______
88 − 10 = ______
1 × 10 = ______
35 + 20 = ______
5 × 10 = ______
45 − 10 = ______
69 − 10 = ______
60 − 10 = ______
83 + 20 = ______
53 + 10 = ______
59 + 10 = ______
51 + 10 = ______
62 + 10 = ______
35 − 10 = ______
