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
87 + 20 = ______
3 × 10 = ______
17 + 10 = ______
88 + 20 = ______
2 × 10 = ______
6 × 10 = ______
48 + 10 = ______
4 × 10 = ______
5 × 10 = ______
81 − 10 = ______
18 + 10 = ______
88 − 10 = ______
20 + 10 = ______
78 − 10 = ______
97 − 10 = ______
54 + 10 = ______
85 + 20 = ______
84 + 10 = ______
9 × 10 = ______
35 + 10 = ______
