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
11 + 20 = ______
36 + 20 = ______
88 − 10 = ______
3 × 10 = ______
93 − 10 = ______
41 + 10 = ______
5 × 10 = ______
9 × 10 = ______
1 × 10 = ______
77 + 20 = ______
92 − 10 = ______
64 + 20 = ______
14 + 20 = ______
2 × 10 = ______
54 + 20 = ______
85 + 10 = ______
44 + 20 = ______
7 × 10 = ______
76 + 10 = ______
67 + 20 = ______