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
54 + 10 = ______
12 + 10 = ______
88 + 10 = ______
2 × 10 = ______
13 + 20 = ______
21 + 20 = ______
42 − 10 = ______
7 × 10 = ______
58 + 10 = ______
36 + 10 = ______
78 + 20 = ______
37 − 10 = ______
4 × 10 = ______
44 + 10 = ______
92 − 10 = ______
72 − 10 = ______
48 + 20 = ______
59 + 10 = ______
48 − 10 = ______
23 + 20 = ______
