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
24 + 20 = ______
87 + 20 = ______
51 + 20 = ______
41 − 10 = ______
5 × 10 = ______
23 + 10 = ______
57 + 10 = ______
48 + 10 = ______
31 + 10 = ______
3 × 10 = ______
25 + 20 = ______
4 × 10 = ______
50 − 10 = ______
32 − 10 = ______
28 + 20 = ______
44 + 20 = ______
98 − 10 = ______
75 + 10 = ______
20 + 10 = ______
43 + 20 = ______
