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
32 + 20 = ______
19 + 10 = ______
77 + 10 = ______
62 + 10 = ______
81 − 10 = ______
84 + 20 = ______
4 × 10 = ______
18 + 10 = ______
83 + 20 = ______
6 × 10 = ______
2 × 10 = ______
64 + 20 = ______
36 + 10 = ______
9 × 10 = ______
30 − 10 = ______
3 × 10 = ______
60 + 20 = ______
45 − 10 = ______
86 + 10 = ______
42 + 10 = ______
