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
39 − 10 = ______
17 + 20 = ______
6 × 10 = ______
51 − 10 = ______
68 − 10 = ______
38 + 20 = ______
90 − 10 = ______
43 − 10 = ______
62 + 20 = ______
16 + 10 = ______
41 + 10 = ______
15 + 10 = ______
5 × 10 = ______
59 + 10 = ______
95 − 10 = ______
33 + 20 = ______
3 × 10 = ______
85 + 20 = ______
1 × 10 = ______
20 + 20 = ______
