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
11 + 20 = ______
53 + 10 = ______
22 + 20 = ______
48 + 20 = ______
41 − 10 = ______
2 × 10 = ______
1 × 10 = ______
88 − 10 = ______
17 + 10 = ______
37 + 10 = ______
16 + 10 = ______
46 + 20 = ______
5 × 10 = ______
9 × 10 = ______
29 − 10 = ______
51 + 20 = ______
77 − 10 = ______
36 − 10 = ______
99 − 10 = ______
58 + 20 = ______
