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
2 × 10 = ______
5 × 10 = ______
23 + 20 = ______
37 − 10 = ______
1 × 10 = ______
55 + 20 = ______
74 + 20 = ______
70 − 10 = ______
81 + 20 = ______
30 + 10 = ______
37 + 20 = ______
36 − 10 = ______
64 + 20 = ______
63 + 10 = ______
94 − 10 = ______
67 + 20 = ______
51 + 10 = ______
29 − 10 = ______
20 + 10 = ______
24 + 20 = ______
