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
48 + 20 = ______
8 × 10 = ______
55 + 20 = ______
3 × 10 = ______
57 + 20 = ______
2 × 10 = ______
79 + 10 = ______
89 + 20 = ______
4 × 10 = ______
32 + 20 = ______
77 + 20 = ______
18 + 10 = ______
58 − 10 = ______
84 + 20 = ______
64 + 20 = ______
75 + 10 = ______
83 + 20 = ______
85 − 10 = ______
43 − 10 = ______
23 + 20 = ______
