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
55 + 10 = ______
63 + 10 = ______
1 × 10 = ______
36 + 10 = ______
80 + 10 = ______
71 + 10 = ______
79 − 10 = ______
40 + 20 = ______
13 + 20 = ______
9 × 10 = ______
31 + 20 = ______
21 + 10 = ______
55 + 20 = ______
86 − 10 = ______
82 + 20 = ______
70 − 10 = ______
43 − 10 = ______
7 × 10 = ______
5 × 10 = ______
76 − 10 = ______
