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
47 + 10 = ______
38 + 20 = ______
21 + 10 = ______
55 − 10 = ______
1 × 10 = ______
33 + 10 = ______
4 × 10 = ______
8 × 10 = ______
43 − 10 = ______
72 − 10 = ______
3 × 10 = ______
59 − 10 = ______
59 + 20 = ______
62 + 20 = ______
26 − 10 = ______
98 − 10 = ______
42 − 10 = ______
71 + 20 = ______
30 − 10 = ______
5 × 10 = ______
