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
23 − 10 = ______
64 + 10 = ______
1 × 10 = ______
54 + 20 = ______
39 + 10 = ______
99 − 10 = ______
66 + 20 = ______
34 + 20 = ______
76 + 20 = ______
9 × 10 = ______
2 × 10 = ______
25 + 20 = ______
54 − 10 = ______
82 − 10 = ______
8 × 10 = ______
12 + 20 = ______
81 − 10 = ______
17 + 20 = ______
95 − 10 = ______
3 × 10 = ______
