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
59 − 10 = ______
25 − 10 = ______
2 × 10 = ______
26 − 10 = ______
14 + 10 = ______
79 + 10 = ______
9 × 10 = ______
70 − 10 = ______
71 + 20 = ______
6 × 10 = ______
91 − 10 = ______
89 + 20 = ______
19 + 10 = ______
66 − 10 = ______
40 − 10 = ______
45 + 20 = ______
5 × 10 = ______
24 + 10 = ______
32 + 20 = ______
48 + 20 = ______
