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
55 + 10 = ______
50 + 20 = ______
85 − 10 = ______
2 × 10 = ______
43 − 10 = ______
81 − 10 = ______
56 + 10 = ______
6 × 10 = ______
81 + 10 = ______
24 − 10 = ______
86 − 10 = ______
13 + 20 = ______
46 − 10 = ______
78 + 20 = ______
69 − 10 = ______
34 − 10 = ______
35 + 20 = ______
82 + 20 = ______
74 + 10 = ______
9 × 10 = ______
