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
9 × 10 = ______
27 − 10 = ______
5 × 10 = ______
72 + 20 = ______
35 + 20 = ______
25 − 10 = ______
58 − 10 = ______
39 + 10 = ______
4 × 10 = ______
3 × 10 = ______
66 − 10 = ______
2 × 10 = ______
85 + 20 = ______
29 + 10 = ______
30 + 20 = ______
59 − 10 = ______
85 − 10 = ______
41 − 10 = ______
65 − 10 = ______
53 + 10 = ______
