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 = ______
31 + 10 = ______
19 + 20 = ______
1 × 10 = ______
26 + 20 = ______
77 + 10 = ______
60 + 20 = ______
9 × 10 = ______
80 + 20 = ______
86 + 10 = ______
61 + 20 = ______
76 + 20 = ______
99 − 10 = ______
80 − 10 = ______
48 − 10 = ______
67 + 20 = ______
43 − 10 = ______
68 − 10 = ______
6 × 10 = ______
7 × 10 = ______
