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
9 × 10 = ______
75 − 10 = ______
19 + 20 = ______
35 + 20 = ______
37 + 10 = ______
41 + 20 = ______
6 × 10 = ______
66 + 20 = ______
73 + 20 = ______
51 + 10 = ______
22 − 10 = ______
73 + 10 = ______
61 + 20 = ______
30 + 10 = ______
30 − 10 = ______
64 − 10 = ______
86 − 10 = ______
64 + 20 = ______
45 − 10 = ______
88 − 10 = ______
