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
69 + 20 = ______
12 + 10 = ______
81 + 20 = ______
3 × 10 = ______
4 × 10 = ______
25 + 20 = ______
1 × 10 = ______
49 − 10 = ______
59 + 20 = ______
26 + 20 = ______
73 + 20 = ______
44 − 10 = ______
24 + 20 = ______
78 + 10 = ______
30 + 10 = ______
82 − 10 = ______
6 × 10 = ______
11 + 20 = ______
97 − 10 = ______
41 − 10 = ______
