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
71 − 10 = ______
8 × 10 = ______
26 + 20 = ______
34 + 20 = ______
54 − 10 = ______
13 + 20 = ______
82 + 10 = ______
40 − 10 = ______
67 − 10 = ______
79 + 20 = ______
36 + 10 = ______
47 + 10 = ______
9 × 10 = ______
44 + 20 = ______
32 + 10 = ______
80 + 20 = ______
51 − 10 = ______
3 × 10 = ______
30 + 20 = ______
69 − 10 = ______
