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
3 × 10 = ______
64 − 10 = ______
87 + 10 = ______
63 − 10 = ______
77 + 20 = ______
16 + 20 = ______
13 + 20 = ______
5 × 10 = ______
1 × 10 = ______
85 + 20 = ______
9 × 10 = ______
24 + 10 = ______
2 × 10 = ______
78 + 10 = ______
41 + 10 = ______
81 − 10 = ______
60 − 10 = ______
36 + 20 = ______
87 − 10 = ______
89 + 10 = ______
