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
2 × 10 = ______
61 + 20 = ______
35 + 10 = ______
6 × 10 = ______
65 + 20 = ______
47 + 10 = ______
88 + 20 = ______
79 + 10 = ______
59 + 10 = ______
50 − 10 = ______
37 − 10 = ______
7 × 10 = ______
9 × 10 = ______
83 + 20 = ______
18 + 10 = ______
1 × 10 = ______
78 + 20 = ______
51 + 20 = ______
99 − 10 = ______
35 + 20 = ______
