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
31 − 10 = ______
44 + 20 = ______
67 − 10 = ______
26 − 10 = ______
70 − 10 = ______
54 − 10 = ______
85 − 10 = ______
58 + 10 = ______
27 − 10 = ______
50 − 10 = ______
6 × 10 = ______
84 + 20 = ______
35 + 20 = ______
18 + 20 = ______
78 − 10 = ______
78 + 10 = ______
7 × 10 = ______
29 − 10 = ______
45 − 10 = ______
1 × 10 = ______
