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
54 + 20 = ______
40 + 20 = ______
7 × 10 = ______
13 + 20 = ______
75 + 10 = ______
20 + 20 = ______
5 × 10 = ______
16 + 20 = ______
70 + 10 = ______
83 − 10 = ______
48 − 10 = ______
64 + 10 = ______
29 + 10 = ______
93 − 10 = ______
34 + 10 = ______
23 + 20 = ______
41 + 20 = ______
83 + 10 = ______
80 − 10 = ______
69 + 10 = ______
