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
59 + 10 = ______
6 × 10 = ______
88 + 10 = ______
30 + 10 = ______
52 + 20 = ______
63 + 20 = ______
77 + 20 = ______
69 + 20 = ______
55 + 10 = ______
73 + 10 = ______
50 + 10 = ______
29 − 10 = ______
71 + 10 = ______
33 + 20 = ______
99 − 10 = ______
3 × 10 = ______
83 − 10 = ______
42 − 10 = ______
8 × 10 = ______
21 + 20 = ______
