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
53 + 20 = ______
7 × 10 = ______
52 + 20 = ______
54 + 10 = ______
45 − 10 = ______
71 + 10 = ______
48 − 10 = ______
55 + 20 = ______
1 × 10 = ______
84 − 10 = ______
87 + 20 = ______
93 − 10 = ______
35 + 10 = ______
3 × 10 = ______
9 × 10 = ______
63 + 20 = ______
78 + 10 = ______
74 − 10 = ______
26 + 10 = ______
41 − 10 = ______
