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
66 + 20 = ______
43 + 20 = ______
6 × 10 = ______
7 × 10 = ______
3 × 10 = ______
76 − 10 = ______
88 + 10 = ______
14 + 10 = ______
44 + 20 = ______
20 + 10 = ______
30 + 20 = ______
80 + 10 = ______
83 + 10 = ______
42 + 20 = ______
28 + 20 = ______
73 − 10 = ______
47 − 10 = ______
9 × 10 = ______
70 + 10 = ______
27 + 20 = ______
