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
14 + 20 = ______
9 × 10 = ______
6 × 10 = ______
55 + 10 = ______
83 + 10 = ______
1 × 10 = ______
99 − 10 = ______
77 + 20 = ______
51 − 10 = ______
71 − 10 = ______
41 − 10 = ______
43 + 20 = ______
11 + 20 = ______
3 × 10 = ______
69 − 10 = ______
66 + 10 = ______
2 × 10 = ______
40 + 20 = ______
72 − 10 = ______
33 + 10 = ______
