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
30 + 10 = ______
8 × 10 = ______
35 + 20 = ______
2 × 10 = ______
80 + 20 = ______
50 + 10 = ______
21 − 10 = ______
68 − 10 = ______
41 − 10 = ______
32 + 10 = ______
52 + 10 = ______
31 + 20 = ______
94 − 10 = ______
83 − 10 = ______
77 + 20 = ______
58 + 20 = ______
85 + 10 = ______
1 × 10 = ______
18 + 10 = ______
22 + 20 = ______
