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
37 + 10 = ______
35 + 20 = ______
24 + 10 = ______
75 + 20 = ______
4 × 10 = ______
78 + 10 = ______
74 − 10 = ______
22 + 20 = ______
8 × 10 = ______
63 − 10 = ______
15 + 10 = ______
86 − 10 = ______
16 + 10 = ______
75 + 10 = ______
55 + 20 = ______
40 − 10 = ______
57 + 20 = ______
1 × 10 = ______
91 − 10 = ______
87 + 10 = ______
