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
50 − 10 = ______
42 + 20 = ______
37 − 10 = ______
18 + 10 = ______
34 − 10 = ______
47 + 10 = ______
60 + 20 = ______
27 − 10 = ______
8 × 10 = ______
6 × 10 = ______
24 + 10 = ______
5 × 10 = ______
1 × 10 = ______
75 + 10 = ______
17 + 10 = ______
76 + 10 = ______
29 + 10 = ______
7 × 10 = ______
30 + 20 = ______
4 × 10 = ______
