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
42 + 20 = ______
33 + 10 = ______
45 + 10 = ______
8 × 10 = ______
59 − 10 = ______
9 × 10 = ______
62 + 10 = ______
29 − 10 = ______
18 + 20 = ______
32 + 10 = ______
60 + 20 = ______
40 − 10 = ______
87 + 20 = ______
6 × 10 = ______
54 + 10 = ______
4 × 10 = ______
72 + 20 = ______
43 − 10 = ______
2 × 10 = ______
3 × 10 = ______
