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
51 + 10 = ______
41 − 10 = ______
53 + 10 = ______
6 × 10 = ______
5 × 10 = ______
77 − 10 = ______
87 − 10 = ______
75 + 10 = ______
17 + 20 = ______
52 + 20 = ______
46 − 10 = ______
4 × 10 = ______
7 × 10 = ______
71 + 10 = ______
30 − 10 = ______
86 + 20 = ______
27 + 10 = ______
2 × 10 = ______
83 − 10 = ______
67 + 10 = ______
