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
33 + 10 = ______
15 + 10 = ______
31 + 10 = ______
67 − 10 = ______
81 + 10 = ______
43 + 20 = ______
79 + 20 = ______
1 × 10 = ______
29 − 10 = ______
44 + 10 = ______
51 + 10 = ______
59 − 10 = ______
4 × 10 = ______
37 − 10 = ______
9 × 10 = ______
62 − 10 = ______
58 + 20 = ______
5 × 10 = ______
55 + 10 = ______
39 − 10 = ______
