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
27 + 20 = ______
64 − 10 = ______
82 + 20 = ______
7 × 10 = ______
68 − 10 = ______
62 − 10 = ______
19 + 10 = ______
13 + 10 = ______
9 × 10 = ______
2 × 10 = ______
66 + 10 = ______
54 + 20 = ______
86 + 10 = ______
75 + 20 = ______
79 − 10 = ______
29 − 10 = ______
3 × 10 = ______
74 + 20 = ______
8 × 10 = ______
22 + 10 = ______
