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
9 × 10 = ______
80 + 20 = ______
54 + 10 = ______
50 − 10 = ______
99 − 10 = ______
45 − 10 = ______
86 + 10 = ______
57 − 10 = ______
2 × 10 = ______
29 + 20 = ______
53 + 10 = ______
69 − 10 = ______
12 + 10 = ______
74 + 20 = ______
22 + 20 = ______
73 + 10 = ______
41 − 10 = ______
29 − 10 = ______
65 + 10 = ______
1 × 10 = ______
