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
5 × 10 = ______
7 × 10 = ______
6 × 10 = ______
35 − 10 = ______
33 + 20 = ______
53 + 20 = ______
57 + 20 = ______
26 + 10 = ______
25 + 20 = ______
4 × 10 = ______
81 + 20 = ______
68 + 20 = ______
70 + 20 = ______
50 + 10 = ______
9 × 10 = ______
99 − 10 = ______
74 − 10 = ______
86 − 10 = ______
39 + 10 = ______
57 + 10 = ______
