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
70 + 20 = ______
56 + 20 = ______
70 + 10 = ______
6 × 10 = ______
77 + 10 = ______
85 + 20 = ______
98 − 10 = ______
49 + 10 = ______
24 + 10 = ______
81 − 10 = ______
29 + 20 = ______
9 × 10 = ______
3 × 10 = ______
55 + 20 = ______
5 × 10 = ______
38 − 10 = ______
37 − 10 = ______
45 + 20 = ______
80 − 10 = ______
32 + 10 = ______
