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
5 × 10 = ______
14 + 10 = ______
3 × 10 = ______
26 − 10 = ______
72 − 10 = ______
77 + 20 = ______
40 + 20 = ______
35 + 10 = ______
2 × 10 = ______
79 + 20 = ______
8 × 10 = ______
57 − 10 = ______
16 + 20 = ______
62 − 10 = ______
34 − 10 = ______
32 − 10 = ______
87 + 20 = ______
1 × 10 = ______
18 + 20 = ______
32 + 20 = ______