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
21 − 10 = ______
50 + 20 = ______
46 + 10 = ______
14 + 20 = ______
9 × 10 = ______
79 − 10 = ______
41 + 10 = ______
93 − 10 = ______
3 × 10 = ______
65 + 10 = ______
70 − 10 = ______
59 + 10 = ______
66 + 20 = ______
34 + 10 = ______
8 × 10 = ______
65 + 20 = ______
61 + 10 = ______
62 + 10 = ______
52 − 10 = ______
50 − 10 = ______
