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
79 − 10 = ______
1 × 10 = ______
15 + 10 = ______
69 + 20 = ______
35 − 10 = ______
9 × 10 = ______
34 + 20 = ______
47 + 20 = ______
7 × 10 = ______
17 + 10 = ______
81 + 10 = ______
6 × 10 = ______
88 + 10 = ______
86 + 10 = ______
15 + 20 = ______
5 × 10 = ______
14 + 10 = ______
28 + 10 = ______
4 × 10 = ______
25 − 10 = ______
