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 + 20 = ______
38 + 20 = ______
1 × 10 = ______
88 − 10 = ______
2 × 10 = ______
50 + 10 = ______
90 − 10 = ______
30 + 10 = ______
69 + 10 = ______
63 + 20 = ______
49 − 10 = ______
3 × 10 = ______
95 − 10 = ______
53 − 10 = ______
82 + 20 = ______
21 − 10 = ______
83 + 10 = ______
4 × 10 = ______
5 × 10 = ______
58 + 10 = ______
