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
68 + 10 = ______
64 + 10 = ______
26 − 10 = ______
48 + 20 = ______
61 − 10 = ______
18 + 20 = ______
36 − 10 = ______
77 + 10 = ______
49 + 10 = ______
9 × 10 = ______
68 − 10 = ______
22 − 10 = ______
24 + 20 = ______
27 + 10 = ______
59 + 10 = ______
2 × 10 = ______
67 + 10 = ______
8 × 10 = ______
24 − 10 = ______
7 × 10 = ______
