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
62 + 20 = ______
63 + 10 = ______
46 + 10 = ______
46 + 20 = ______
5 × 10 = ______
50 + 20 = ______
8 × 10 = ______
16 + 20 = ______
56 + 10 = ______
49 + 20 = ______
31 + 10 = ______
4 × 10 = ______
86 + 20 = ______
70 + 10 = ______
68 − 10 = ______
27 + 20 = ______
78 + 10 = ______
7 × 10 = ______
62 − 10 = ______
36 + 10 = ______
