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
71 + 10 = ______
85 − 10 = ______
9 × 10 = ______
5 × 10 = ______
78 + 10 = ______
77 − 10 = ______
84 + 10 = ______
43 + 10 = ______
40 + 20 = ______
57 − 10 = ______
27 + 10 = ______
27 − 10 = ______
49 − 10 = ______
6 × 10 = ______
30 + 10 = ______
25 − 10 = ______
39 − 10 = ______
41 − 10 = ______
68 + 10 = ______
2 × 10 = ______
