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
85 + 20 = ______
68 + 10 = ______
8 × 10 = ______
63 − 10 = ______
88 − 10 = ______
37 + 20 = ______
68 − 10 = ______
78 + 10 = ______
64 + 20 = ______
62 − 10 = ______
2 × 10 = ______
74 − 10 = ______
6 × 10 = ______
81 + 20 = ______
30 + 20 = ______
5 × 10 = ______
16 + 10 = ______
12 + 10 = ______
86 + 20 = ______
7 × 10 = ______
