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
1 × 10 = ______
5 × 10 = ______
77 − 10 = ______
19 + 20 = ______
29 + 20 = ______
8 × 10 = ______
75 + 10 = ______
13 + 20 = ______
52 + 20 = ______
70 + 20 = ______
96 − 10 = ______
24 + 10 = ______
44 − 10 = ______
65 + 10 = ______
88 − 10 = ______
4 × 10 = ______
28 − 10 = ______
38 + 20 = ______
84 + 10 = ______
51 + 20 = ______
