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
4 × 10 = ______
42 + 10 = ______
77 − 10 = ______
79 + 10 = ______
22 − 10 = ______
70 + 20 = ______
38 + 10 = ______
23 + 20 = ______
34 + 20 = ______
64 + 10 = ______
55 + 10 = ______
1 × 10 = ______
85 − 10 = ______
71 + 10 = ______
34 + 10 = ______
52 + 20 = ______
16 + 20 = ______
72 + 20 = ______
14 + 10 = ______
24 − 10 = ______
