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
35 − 10 = ______
21 − 10 = ______
70 + 20 = ______
96 − 10 = ______
77 + 10 = ______
34 − 10 = ______
39 + 20 = ______
55 − 10 = ______
7 × 10 = ______
65 + 10 = ______
44 + 20 = ______
16 + 20 = ______
59 + 10 = ______
19 + 20 = ______
79 + 10 = ______
30 + 10 = ______
95 − 10 = ______
13 + 20 = ______
47 + 20 = ______
4 × 10 = ______
