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
78 + 10 = ______
95 − 10 = ______
52 + 10 = ______
67 + 20 = ______
17 + 10 = ______
63 − 10 = ______
5 × 10 = ______
84 + 20 = ______
14 + 10 = ______
28 + 20 = ______
48 − 10 = ______
64 + 20 = ______
45 + 20 = ______
27 + 20 = ______
4 × 10 = ______
7 × 10 = ______
19 + 10 = ______
43 − 10 = ______
24 + 10 = ______
15 + 20 = ______
