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
14 + 20 = ______
12 + 20 = ______
2 × 10 = ______
4 × 10 = ______
68 − 10 = ______
7 × 10 = ______
51 − 10 = ______
22 + 10 = ______
29 − 10 = ______
22 − 10 = ______
81 + 20 = ______
3 × 10 = ______
86 + 20 = ______
78 + 20 = ______
44 − 10 = ______
82 + 20 = ______
52 + 10 = ______
44 + 10 = ______
57 + 10 = ______
38 − 10 = ______
