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
9 × 10 = ______
73 − 10 = ______
59 + 10 = ______
40 + 20 = ______
55 + 20 = ______
7 × 10 = ______
8 × 10 = ______
63 + 20 = ______
69 − 10 = ______
56 + 20 = ______
2 × 10 = ______
21 + 20 = ______
23 + 10 = ______
67 + 10 = ______
1 × 10 = ______
48 − 10 = ______
39 + 10 = ______
35 + 20 = ______
80 + 10 = ______
39 − 10 = ______
