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
56 − 10 = ______
6 × 10 = ______
8 × 10 = ______
9 × 10 = ______
15 + 20 = ______
59 + 20 = ______
23 + 20 = ______
55 − 10 = ______
87 + 10 = ______
63 + 20 = ______
48 + 20 = ______
79 − 10 = ______
7 × 10 = ______
4 × 10 = ______
28 − 10 = ______
49 + 10 = ______
78 + 20 = ______
35 − 10 = ______
44 − 10 = ______
77 + 20 = ______