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
55 + 20 = ______
59 − 10 = ______
80 + 20 = ______
72 − 10 = ______
9 × 10 = ______
46 + 20 = ______
90 − 10 = ______
88 − 10 = ______
98 − 10 = ______
8 × 10 = ______
36 + 20 = ______
71 + 10 = ______
96 − 10 = ______
65 − 10 = ______
85 + 20 = ______
58 + 20 = ______
74 + 20 = ______
2 × 10 = ______
67 + 20 = ______
37 − 10 = ______
