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
2 × 10 = ______
48 + 10 = ______
44 − 10 = ______
40 + 20 = ______
62 + 10 = ______
65 + 20 = ______
4 × 10 = ______
46 − 10 = ______
27 − 10 = ______
75 + 20 = ______
38 + 20 = ______
17 + 20 = ______
69 + 10 = ______
78 − 10 = ______
47 + 10 = ______
22 + 20 = ______
93 − 10 = ______
23 + 20 = ______
62 + 20 = ______
70 − 10 = ______