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
70 − 10 = ______
17 + 10 = ______
68 + 20 = ______
8 × 10 = ______
74 − 10 = ______
25 − 10 = ______
5 × 10 = ______
2 × 10 = ______
25 + 20 = ______
78 − 10 = ______
71 − 10 = ______
26 + 20 = ______
50 − 10 = ______
62 + 10 = ______
52 − 10 = ______
6 × 10 = ______
23 − 10 = ______
81 + 10 = ______
72 + 20 = ______
15 + 20 = ______
