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
58 + 20 = ______
1 × 10 = ______
37 + 20 = ______
55 − 10 = ______
85 + 20 = ______
6 × 10 = ______
16 + 10 = ______
4 × 10 = ______
80 + 20 = ______
58 + 10 = ______
79 + 10 = ______
23 + 10 = ______
42 − 10 = ______
80 − 10 = ______
84 + 20 = ______
17 + 20 = ______
88 + 20 = ______
44 − 10 = ______
44 + 10 = ______
78 + 20 = ______
