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
6 × 10 = ______
79 + 10 = ______
37 − 10 = ______
27 − 10 = ______
26 + 10 = ______
51 + 20 = ______
56 + 10 = ______
78 − 10 = ______
19 + 10 = ______
92 − 10 = ______
74 + 20 = ______
49 + 20 = ______
53 + 20 = ______
38 − 10 = ______
23 + 10 = ______
50 + 20 = ______
36 + 20 = ______
63 + 10 = ______
35 − 10 = ______
80 − 10 = ______
