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
3 × 10 = ______
2 × 10 = ______
45 + 20 = ______
85 + 20 = ______
66 − 10 = ______
4 × 10 = ______
42 + 10 = ______
5 × 10 = ______
17 + 20 = ______
46 + 10 = ______
89 + 20 = ______
7 × 10 = ______
68 + 20 = ______
45 + 10 = ______
83 − 10 = ______
61 − 10 = ______
44 + 20 = ______
73 − 10 = ______
50 + 10 = ______
37 + 10 = ______
