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
65 + 20 = ______
65 + 10 = ______
61 + 20 = ______
25 + 10 = ______
28 + 20 = ______
59 − 10 = ______
44 − 10 = ______
16 + 10 = ______
6 × 10 = ______
92 − 10 = ______
85 − 10 = ______
45 + 10 = ______
26 + 20 = ______
75 + 10 = ______
70 + 20 = ______
64 + 20 = ______
50 + 10 = ______
69 + 20 = ______
87 − 10 = ______
38 + 10 = ______
