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
91 − 10 = ______
70 − 10 = ______
59 + 10 = ______
9 × 10 = ______
7 × 10 = ______
5 × 10 = ______
74 + 10 = ______
77 + 20 = ______
56 + 20 = ______
76 + 10 = ______
8 × 10 = ______
35 + 20 = ______
34 − 10 = ______
1 × 10 = ______
3 × 10 = ______
84 − 10 = ______
83 + 20 = ______
44 + 10 = ______
95 − 10 = ______
89 + 20 = ______
