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
31 + 20 = ______
24 − 10 = ______
79 − 10 = ______
43 − 10 = ______
75 − 10 = ______
34 + 10 = ______
25 + 10 = ______
79 + 10 = ______
8 × 10 = ______
57 + 20 = ______
96 − 10 = ______
1 × 10 = ______
62 − 10 = ______
55 − 10 = ______
30 + 20 = ______
13 + 20 = ______
48 + 20 = ______
39 + 20 = ______
22 + 10 = ______
75 + 10 = ______
