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
83 + 20 = ______
79 − 10 = ______
6 × 10 = ______
64 − 10 = ______
9 × 10 = ______
5 × 10 = ______
68 + 10 = ______
23 + 10 = ______
18 + 10 = ______
81 + 20 = ______
43 − 10 = ______
30 − 10 = ______
29 + 20 = ______
92 − 10 = ______
7 × 10 = ______
87 − 10 = ______
17 + 20 = ______
32 + 10 = ______
44 + 20 = ______
51 + 20 = ______
