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
1 × 10 = ______
77 − 10 = ______
87 − 10 = ______
49 + 10 = ______
13 + 10 = ______
65 − 10 = ______
12 + 20 = ______
89 + 10 = ______
90 − 10 = ______
96 − 10 = ______
6 × 10 = ______
16 + 10 = ______
9 × 10 = ______
79 + 20 = ______
98 − 10 = ______
78 + 20 = ______
51 + 10 = ______
72 + 20 = ______
3 × 10 = ______
4 × 10 = ______
