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
5 × 10 = ______
87 − 10 = ______
1 × 10 = ______
78 + 20 = ______
44 − 10 = ______
2 × 10 = ______
79 + 10 = ______
17 + 10 = ______
7 × 10 = ______
13 + 10 = ______
63 + 20 = ______
54 + 20 = ______
37 + 20 = ______
92 − 10 = ______
15 + 20 = ______
48 + 10 = ______
42 + 10 = ______
14 + 20 = ______
26 − 10 = ______
22 + 10 = ______
