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
57 + 10 = ______
41 + 10 = ______
40 + 20 = ______
4 × 10 = ______
53 + 20 = ______
18 + 10 = ______
54 + 20 = ______
76 − 10 = ______
20 + 10 = ______
2 × 10 = ______
40 − 10 = ______
9 × 10 = ______
68 + 20 = ______
81 + 20 = ______
5 × 10 = ______
20 + 20 = ______
46 + 10 = ______
34 + 20 = ______
30 − 10 = ______
73 + 10 = ______
