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
24 + 20 = ______
6 × 10 = ______
29 + 20 = ______
51 + 20 = ______
4 × 10 = ______
35 + 20 = ______
92 − 10 = ______
28 − 10 = ______
64 + 20 = ______
3 × 10 = ______
34 + 20 = ______
32 + 10 = ______
2 × 10 = ______
23 − 10 = ______
62 − 10 = ______
63 − 10 = ______
80 + 10 = ______
29 − 10 = ______
56 + 10 = ______
73 − 10 = ______