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
4 × 10 = ______
7 × 10 = ______
33 + 10 = ______
68 + 20 = ______
64 + 20 = ______
69 − 10 = ______
64 − 10 = ______
29 + 10 = ______
80 + 10 = ______
1 × 10 = ______
71 + 20 = ______
9 × 10 = ______
8 × 10 = ______
43 + 20 = ______
77 + 20 = ______
59 − 10 = ______
47 − 10 = ______
74 − 10 = ______
80 − 10 = ______
66 + 10 = ______
