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
30 + 10 = ______
4 × 10 = ______
86 − 10 = ______
53 − 10 = ______
3 × 10 = ______
7 × 10 = ______
2 × 10 = ______
6 × 10 = ______
28 + 20 = ______
42 − 10 = ______
51 + 20 = ______
70 + 20 = ______
25 + 20 = ______
65 + 10 = ______
8 × 10 = ______
77 + 20 = ______
74 + 20 = ______
82 + 10 = ______
36 + 10 = ______
75 + 20 = ______
