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
67 + 10 = ______
86 + 10 = ______
22 + 20 = ______
9 × 10 = ______
75 + 10 = ______
61 + 10 = ______
4 × 10 = ______
62 + 20 = ______
5 × 10 = ______
15 + 20 = ______
54 + 10 = ______
21 − 10 = ______
51 + 10 = ______
7 × 10 = ______
75 − 10 = ______
88 − 10 = ______
99 − 10 = ______
25 + 20 = ______
44 − 10 = ______
21 + 10 = ______
