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
78 + 10 = ______
51 + 10 = ______
45 − 10 = ______
7 × 10 = ______
45 + 10 = ______
50 + 20 = ______
9 × 10 = ______
8 × 10 = ______
34 + 10 = ______
70 + 10 = ______
90 − 10 = ______
94 − 10 = ______
89 + 10 = ______
81 + 10 = ______
62 − 10 = ______
1 × 10 = ______
86 + 10 = ______
81 − 10 = ______
89 − 10 = ______
5 × 10 = ______
