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
67 + 20 = ______
36 + 10 = ______
55 + 20 = ______
2 × 10 = ______
36 + 20 = ______
83 − 10 = ______
28 + 10 = ______
8 × 10 = ______
1 × 10 = ______
49 + 10 = ______
54 + 10 = ______
3 × 10 = ______
44 − 10 = ______
41 + 10 = ______
29 + 20 = ______
52 − 10 = ______
6 × 10 = ______
99 − 10 = ______
48 + 20 = ______
57 + 20 = ______
