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
24 + 20 = ______
2 × 10 = ______
35 − 10 = ______
31 − 10 = ______
49 + 20 = ______
77 − 10 = ______
13 + 10 = ______
17 + 10 = ______
65 + 10 = ______
48 − 10 = ______
1 × 10 = ______
39 + 20 = ______
88 + 10 = ______
74 − 10 = ______
86 + 20 = ______
18 + 20 = ______
22 + 10 = ______
81 − 10 = ______
70 + 10 = ______
9 × 10 = ______
