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
32 + 20 = ______
34 + 20 = ______
55 + 20 = ______
95 − 10 = ______
5 × 10 = ______
86 − 10 = ______
85 + 10 = ______
30 + 10 = ______
18 + 10 = ______
62 + 20 = ______
87 + 20 = ______
80 − 10 = ______
53 + 20 = ______
72 + 10 = ______
39 + 10 = ______
93 − 10 = ______
14 + 10 = ______
73 + 10 = ______
39 + 20 = ______
58 + 10 = ______
