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
9 × 10 = ______
32 + 10 = ______
99 − 10 = ______
39 + 10 = ______
68 − 10 = ______
50 + 10 = ______
67 + 10 = ______
29 + 20 = ______
5 × 10 = ______
19 + 10 = ______
18 + 20 = ______
3 × 10 = ______
35 + 10 = ______
76 + 10 = ______
80 − 10 = ______
22 + 20 = ______
39 − 10 = ______
7 × 10 = ______
2 × 10 = ______
89 − 10 = ______
