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
57 + 20 = ______
28 − 10 = ______
9 × 10 = ______
76 − 10 = ______
54 + 20 = ______
44 + 10 = ______
29 + 10 = ______
33 + 20 = ______
40 + 10 = ______
20 + 10 = ______
2 × 10 = ______
24 + 10 = ______
63 + 10 = ______
66 + 20 = ______
50 − 10 = ______
4 × 10 = ______
54 − 10 = ______
14 + 20 = ______
82 − 10 = ______
16 + 20 = ______
