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
57 + 20 = ______
53 − 10 = ______
13 + 10 = ______
72 + 10 = ______
66 + 20 = ______
70 + 20 = ______
74 − 10 = ______
40 − 10 = ______
54 + 20 = ______
5 × 10 = ______
1 × 10 = ______
9 × 10 = ______
44 + 10 = ______
64 + 20 = ______
43 + 10 = ______
81 + 10 = ______
12 + 10 = ______
25 + 20 = ______
80 − 10 = ______
83 + 20 = ______
