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
98 − 10 = ______
70 − 10 = ______
9 × 10 = ______
7 × 10 = ______
1 × 10 = ______
80 + 20 = ______
2 × 10 = ______
64 − 10 = ______
22 − 10 = ______
33 + 20 = ______
74 − 10 = ______
8 × 10 = ______
69 + 20 = ______
60 + 20 = ______
85 − 10 = ______
35 + 20 = ______
90 − 10 = ______
78 + 10 = ______
6 × 10 = ______
28 + 10 = ______
