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
46 − 10 = ______
18 + 10 = ______
54 + 20 = ______
39 + 10 = ______
89 + 20 = ______
85 − 10 = ______
23 − 10 = ______
27 + 10 = ______
37 − 10 = ______
34 − 10 = ______
87 + 20 = ______
71 + 10 = ______
51 + 10 = ______
80 − 10 = ______
42 + 10 = ______
23 + 10 = ______
59 + 20 = ______
36 + 10 = ______
1 × 10 = ______
27 − 10 = ______
