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
2 × 10 = ______
25 + 20 = ______
57 + 20 = ______
32 + 20 = ______
3 × 10 = ______
78 + 10 = ______
24 + 20 = ______
85 + 20 = ______
81 − 10 = ______
55 − 10 = ______
6 × 10 = ______
72 + 10 = ______
44 + 20 = ______
25 + 10 = ______
46 + 10 = ______
69 + 10 = ______
99 − 10 = ______
30 + 20 = ______
86 − 10 = ______
47 − 10 = ______
