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
68 + 10 = ______
74 + 20 = ______
96 − 10 = ______
80 − 10 = ______
2 × 10 = ______
81 − 10 = ______
9 × 10 = ______
34 − 10 = ______
27 + 20 = ______
3 × 10 = ______
95 − 10 = ______
5 × 10 = ______
7 × 10 = ______
4 × 10 = ______
6 × 10 = ______
21 + 20 = ______
62 − 10 = ______
85 + 10 = ______
55 + 10 = ______
51 + 10 = ______
