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
7 × 10 = ______
72 + 20 = ______
91 − 10 = ______
24 − 10 = ______
8 × 10 = ______
72 − 10 = ______
70 + 20 = ______
61 + 20 = ______
57 − 10 = ______
2 × 10 = ______
42 − 10 = ______
4 × 10 = ______
80 − 10 = ______
78 + 20 = ______
3 × 10 = ______
51 + 10 = ______
86 + 10 = ______
13 + 20 = ______
42 + 20 = ______
53 + 10 = ______
