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
12 + 20 = ______
32 − 10 = ______
6 × 10 = ______
20 + 20 = ______
56 − 10 = ______
3 × 10 = ______
7 × 10 = ______
70 + 10 = ______
48 + 20 = ______
35 − 10 = ______
80 + 10 = ______
2 × 10 = ______
43 − 10 = ______
36 + 20 = ______
1 × 10 = ______
31 − 10 = ______
89 + 20 = ______
89 + 10 = ______
4 × 10 = ______
52 − 10 = ______
