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
88 + 10 = ______
27 + 20 = ______
59 + 10 = ______
65 + 10 = ______
70 + 10 = ______
3 × 10 = ______
78 − 10 = ______
42 − 10 = ______
89 + 20 = ______
42 + 20 = ______
77 − 10 = ______
23 + 10 = ______
37 + 20 = ______
7 × 10 = ______
82 + 10 = ______
64 − 10 = ______
69 − 10 = ______
86 − 10 = ______
4 × 10 = ______
46 − 10 = ______
