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
63 + 20 = ______
88 + 10 = ______
96 − 10 = ______
85 + 20 = ______
19 + 10 = ______
2 × 10 = ______
36 + 10 = ______
28 + 10 = ______
27 − 10 = ______
86 + 20 = ______
35 + 10 = ______
57 − 10 = ______
59 + 20 = ______
4 × 10 = ______
9 × 10 = ______
56 − 10 = ______
82 + 10 = ______
67 + 10 = ______
56 + 10 = ______
79 + 20 = ______
