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
4 × 10 = ______
1 × 10 = ______
5 × 10 = ______
8 × 10 = ______
51 + 10 = ______
31 + 10 = ______
61 − 10 = ______
29 − 10 = ______
2 × 10 = ______
53 + 10 = ______
66 + 10 = ______
58 + 20 = ______
70 − 10 = ______
16 + 20 = ______
44 + 20 = ______
77 + 20 = ______
24 + 10 = ______
70 + 20 = ______
84 + 10 = ______
78 − 10 = ______
