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 = ______
53 + 20 = ______
76 − 10 = ______
75 + 20 = ______
39 + 20 = ______
52 + 10 = ______
8 × 10 = ______
93 − 10 = ______
3 × 10 = ______
21 + 20 = ______
26 + 10 = ______
81 + 20 = ______
70 + 10 = ______
46 + 10 = ______
22 − 10 = ______
9 × 10 = ______
7 × 10 = ______
44 + 20 = ______
39 + 10 = ______
21 + 10 = ______
