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
51 − 10 = ______
42 + 10 = ______
91 − 10 = ______
7 × 10 = ______
5 × 10 = ______
38 + 10 = ______
61 − 10 = ______
26 − 10 = ______
2 × 10 = ______
3 × 10 = ______
4 × 10 = ______
52 − 10 = ______
28 + 20 = ______
81 − 10 = ______
44 − 10 = ______
36 + 10 = ______
82 − 10 = ______
54 + 20 = ______
48 − 10 = ______
77 + 20 = ______
