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 − 10 = ______
51 + 20 = ______
6 × 10 = ______
22 + 10 = ______
3 × 10 = ______
70 + 20 = ______
68 + 20 = ______
92 − 10 = ______
46 + 20 = ______
40 + 10 = ______
5 × 10 = ______
70 − 10 = ______
33 + 10 = ______
63 + 20 = ______
4 × 10 = ______
32 + 20 = ______
67 + 20 = ______
39 − 10 = ______
80 + 20 = ______
