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 = ______
1 × 10 = ______
70 + 20 = ______
22 + 10 = ______
64 + 10 = ______
12 + 10 = ______
19 + 20 = ______
51 − 10 = ______
90 − 10 = ______
41 − 10 = ______
67 + 10 = ______
45 + 20 = ______
9 × 10 = ______
7 × 10 = ______
47 − 10 = ______
36 + 10 = ______
48 + 20 = ______
63 + 10 = ______
30 − 10 = ______
62 + 10 = ______
