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
25 + 20 = ______
51 − 10 = ______
42 + 10 = ______
34 + 20 = ______
18 + 20 = ______
84 + 10 = ______
68 + 10 = ______
76 − 10 = ______
82 − 10 = ______
52 + 10 = ______
7 × 10 = ______
59 + 20 = ______
64 + 10 = ______
62 − 10 = ______
2 × 10 = ______
78 − 10 = ______
79 + 10 = ______
4 × 10 = ______
54 − 10 = ______
58 − 10 = ______
