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
66 − 10 = ______
75 + 10 = ______
7 × 10 = ______
13 + 20 = ______
79 + 10 = ______
23 − 10 = ______
24 − 10 = ______
4 × 10 = ______
81 + 20 = ______
12 + 10 = ______
92 − 10 = ______
82 + 20 = ______
39 + 10 = ______
42 − 10 = ______
5 × 10 = ______
87 − 10 = ______
65 − 10 = ______
3 × 10 = ______
44 + 10 = ______
76 + 20 = ______
