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
8 × 10 = ______
71 − 10 = ______
70 + 20 = ______
33 + 10 = ______
44 + 10 = ______
9 × 10 = ______
5 × 10 = ______
6 × 10 = ______
28 + 10 = ______
61 + 20 = ______
70 + 10 = ______
79 + 20 = ______
1 × 10 = ______
81 + 10 = ______
76 − 10 = ______
30 + 20 = ______
84 + 10 = ______
50 − 10 = ______
59 + 20 = ______
75 + 20 = ______
