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
17 + 10 = ______
79 + 10 = ______
76 + 10 = ______
46 + 20 = ______
3 × 10 = ______
70 − 10 = ______
6 × 10 = ______
26 − 10 = ______
20 + 20 = ______
30 − 10 = ______
17 + 20 = ______
28 − 10 = ______
1 × 10 = ______
65 + 20 = ______
34 + 20 = ______
87 + 20 = ______
59 + 20 = ______
62 + 10 = ______
38 + 10 = ______
7 × 10 = ______
