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
35 − 10 = ______
77 − 10 = ______
47 − 10 = ______
84 − 10 = ______
4 × 10 = ______
9 × 10 = ______
24 − 10 = ______
60 − 10 = ______
73 + 20 = ______
3 × 10 = ______
66 + 20 = ______
69 + 10 = ______
30 + 10 = ______
94 − 10 = ______
54 + 20 = ______
41 + 10 = ______
8 × 10 = ______
31 + 10 = ______
12 + 20 = ______
20 + 20 = ______
