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
87 + 20 = ______
57 + 20 = ______
88 + 20 = ______
4 × 10 = ______
26 + 10 = ______
36 + 20 = ______
41 − 10 = ______
52 + 20 = ______
83 + 10 = ______
6 × 10 = ______
9 × 10 = ______
11 + 10 = ______
5 × 10 = ______
22 + 10 = ______
15 + 20 = ______
86 − 10 = ______
26 + 20 = ______
1 × 10 = ______
8 × 10 = ______
23 + 10 = ______
