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
75 + 20 = ______
5 × 10 = ______
65 + 10 = ______
36 − 10 = ______
74 − 10 = ______
54 + 20 = ______
36 + 20 = ______
62 − 10 = ______
52 + 20 = ______
58 − 10 = ______
71 + 20 = ______
6 × 10 = ______
2 × 10 = ______
28 + 20 = ______
3 × 10 = ______
9 × 10 = ______
76 + 20 = ______
58 + 10 = ______
41 − 10 = ______
90 − 10 = ______
