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
33 + 20 = ______
57 + 20 = ______
43 − 10 = ______
51 + 10 = ______
73 + 10 = ______
63 + 10 = ______
36 − 10 = ______
1 × 10 = ______
38 − 10 = ______
6 × 10 = ______
54 + 20 = ______
63 + 20 = ______
22 − 10 = ______
48 + 20 = ______
7 × 10 = ______
3 × 10 = ______
14 + 20 = ______
30 + 10 = ______
76 + 20 = ______
59 − 10 = ______