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
79 − 10 = ______
52 − 10 = ______
80 + 20 = ______
28 + 10 = ______
8 × 10 = ______
7 × 10 = ______
59 + 10 = ______
55 − 10 = ______
63 + 10 = ______
81 + 20 = ______
25 − 10 = ______
31 + 10 = ______
87 + 20 = ______
27 − 10 = ______
34 + 10 = ______
55 + 10 = ______
30 − 10 = ______
29 + 10 = ______
23 + 10 = ______
19 + 20 = ______
