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
83 − 10 = ______
62 + 20 = ______
9 × 10 = ______
29 − 10 = ______
50 + 10 = ______
26 − 10 = ______
2 × 10 = ______
85 + 10 = ______
46 − 10 = ______
66 + 20 = ______
80 + 20 = ______
82 − 10 = ______
18 + 10 = ______
5 × 10 = ______
40 + 10 = ______
4 × 10 = ______
84 − 10 = ______
31 − 10 = ______
75 + 20 = ______
88 + 10 = ______
