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
5 × 10 = ______
79 + 10 = ______
27 + 20 = ______
87 + 20 = ______
1 × 10 = ______
85 + 10 = ______
56 − 10 = ______
40 − 10 = ______
2 × 10 = ______
8 × 10 = ______
65 + 10 = ______
56 + 20 = ______
61 − 10 = ______
11 + 10 = ______
6 × 10 = ______
55 + 20 = ______
55 + 10 = ______
37 + 10 = ______
59 − 10 = ______
3 × 10 = ______
