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
72 + 20 = ______
40 + 10 = ______
42 + 10 = ______
1 × 10 = ______
34 + 10 = ______
3 × 10 = ______
29 − 10 = ______
39 + 10 = ______
43 + 10 = ______
9 × 10 = ______
36 + 10 = ______
89 + 20 = ______
70 + 10 = ______
59 − 10 = ______
91 − 10 = ______
50 − 10 = ______
57 + 10 = ______
2 × 10 = ______
28 − 10 = ______
47 − 10 = ______
