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
64 − 10 = ______
2 × 10 = ______
79 + 20 = ______
50 + 10 = ______
69 + 20 = ______
74 + 20 = ______
72 + 20 = ______
69 − 10 = ______
87 + 20 = ______
25 + 10 = ______
64 + 10 = ______
72 + 10 = ______
15 + 10 = ______
80 − 10 = ______
36 − 10 = ______
24 + 20 = ______
41 − 10 = ______
34 − 10 = ______
5 × 10 = ______
15 + 20 = ______
