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
8 × 10 = ______
1 × 10 = ______
34 − 10 = ______
69 − 10 = ______
88 − 10 = ______
27 + 20 = ______
6 × 10 = ______
73 + 20 = ______
60 + 20 = ______
61 + 20 = ______
88 + 10 = ______
81 − 10 = ______
79 + 20 = ______
56 − 10 = ______
48 + 10 = ______
39 − 10 = ______
14 + 20 = ______
5 × 10 = ______
78 + 10 = ______
35 − 10 = ______
