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 = ______
8 × 10 = ______
77 − 10 = ______
69 + 10 = ______
31 − 10 = ______
87 + 20 = ______
23 − 10 = ______
69 − 10 = ______
56 + 10 = ______
89 − 10 = ______
27 − 10 = ______
56 + 20 = ______
9 × 10 = ______
50 + 10 = ______
4 × 10 = ______
2 × 10 = ______
25 + 20 = ______
28 + 20 = ______
65 + 20 = ______
63 − 10 = ______
