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
2 × 10 = ______
26 − 10 = ______
51 + 10 = ______
11 + 20 = ______
99 − 10 = ______
48 + 10 = ______
35 + 20 = ______
3 × 10 = ______
69 + 20 = ______
82 + 20 = ______
28 + 20 = ______
6 × 10 = ______
34 + 10 = ______
25 + 20 = ______
59 − 10 = ______
45 + 20 = ______
9 × 10 = ______
8 × 10 = ______
72 − 10 = ______
80 + 10 = ______
