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
55 + 20 = ______
2 × 10 = ______
53 − 10 = ______
75 − 10 = ______
5 × 10 = ______
72 + 10 = ______
67 + 20 = ______
16 + 20 = ______
23 − 10 = ______
76 + 20 = ______
68 + 20 = ______
59 + 10 = ______
9 × 10 = ______
29 − 10 = ______
4 × 10 = ______
46 + 10 = ______
87 + 20 = ______
29 + 20 = ______
61 + 20 = ______
1 × 10 = ______
