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
45 − 10 = ______
35 + 10 = ______
19 + 20 = ______
29 + 10 = ______
78 + 10 = ______
30 + 20 = ______
85 − 10 = ______
75 + 10 = ______
32 + 10 = ______
53 + 20 = ______
3 × 10 = ______
36 + 20 = ______
17 + 20 = ______
6 × 10 = ______
18 + 10 = ______
35 + 20 = ______
62 + 10 = ______
29 + 20 = ______
88 + 20 = ______
2 × 10 = ______
