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
50 + 20 = ______
42 + 20 = ______
38 + 10 = ______
29 − 10 = ______
31 + 20 = ______
84 + 10 = ______
26 + 20 = ______
54 + 10 = ______
3 × 10 = ______
5 × 10 = ______
64 + 10 = ______
55 + 20 = ______
9 × 10 = ______
40 + 20 = ______
61 − 10 = ______
19 + 20 = ______
38 + 20 = ______
34 + 10 = ______
74 − 10 = ______
24 + 10 = ______
