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
61 + 20 = ______
37 + 10 = ______
34 − 10 = ______
36 + 20 = ______
24 + 10 = ______
7 × 10 = ______
75 − 10 = ______
33 − 10 = ______
63 + 20 = ______
5 × 10 = ______
74 + 10 = ______
19 + 10 = ______
6 × 10 = ______
27 + 10 = ______
1 × 10 = ______
64 − 10 = ______
79 − 10 = ______
9 × 10 = ______
48 − 10 = ______
77 + 20 = ______
