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
49 + 20 = ______
2 × 10 = ______
88 + 10 = ______
81 + 10 = ______
6 × 10 = ______
11 + 20 = ______
44 + 20 = ______
55 + 20 = ______
85 + 10 = ______
51 + 20 = ______
62 + 20 = ______
1 × 10 = ______
4 × 10 = ______
41 + 10 = ______
70 + 20 = ______
56 − 10 = ______
75 + 10 = ______
43 − 10 = ______
87 + 10 = ______
73 + 20 = ______
