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
1 × 10 = ______
52 + 20 = ______
80 + 20 = ______
32 + 10 = ______
69 + 10 = ______
43 − 10 = ______
57 − 10 = ______
28 − 10 = ______
41 − 10 = ______
50 + 10 = ______
96 − 10 = ______
21 + 20 = ______
22 + 10 = ______
33 + 20 = ______
5 × 10 = ______
63 + 20 = ______
81 − 10 = ______
70 + 10 = ______
42 + 20 = ______
17 + 20 = ______
