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
7 × 10 = ______
43 − 10 = ______
17 + 20 = ______
90 − 10 = ______
44 + 10 = ______
21 − 10 = ______
1 × 10 = ______
76 + 20 = ______
5 × 10 = ______
52 + 10 = ______
75 − 10 = ______
78 + 20 = ______
67 − 10 = ______
87 + 10 = ______
25 + 20 = ______
63 + 20 = ______
94 − 10 = ______
86 + 20 = ______
28 + 20 = ______
51 − 10 = ______
