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
42 + 10 = ______
5 × 10 = ______
44 + 20 = ______
17 + 10 = ______
28 + 10 = ______
83 + 10 = ______
61 + 20 = ______
67 + 20 = ______
36 + 10 = ______
98 − 10 = ______
56 − 10 = ______
60 + 20 = ______
63 + 10 = ______
39 + 10 = ______
9 × 10 = ______
24 + 20 = ______
55 + 20 = ______
2 × 10 = ______
78 + 20 = ______
27 − 10 = ______
