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
1 × 10 = ______
4 × 10 = ______
35 + 20 = ______
76 + 20 = ______
34 + 10 = ______
83 − 10 = ______
30 + 10 = ______
69 + 20 = ______
11 + 10 = ______
38 + 20 = ______
18 + 10 = ______
2 × 10 = ______
77 − 10 = ______
30 − 10 = ______
48 − 10 = ______
7 × 10 = ______
66 + 10 = ______
43 − 10 = ______
41 + 20 = ______
23 + 10 = ______
