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
19 + 20 = ______
7 × 10 = ______
67 + 20 = ______
75 + 20 = ______
3 × 10 = ______
98 − 10 = ______
64 + 20 = ______
68 − 10 = ______
44 + 10 = ______
5 × 10 = ______
26 + 20 = ______
14 + 20 = ______
83 − 10 = ______
53 − 10 = ______
2 × 10 = ______
8 × 10 = ______
78 + 10 = ______
4 × 10 = ______
45 + 10 = ______
62 − 10 = ______
