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
18 + 10 = ______
17 + 10 = ______
62 + 20 = ______
69 + 10 = ______
92 − 10 = ______
47 + 20 = ______
24 − 10 = ______
30 − 10 = ______
69 + 20 = ______
84 + 10 = ______
87 − 10 = ______
70 + 10 = ______
78 − 10 = ______
3 × 10 = ______
25 + 10 = ______
97 − 10 = ______
83 + 20 = ______
96 − 10 = ______
24 + 10 = ______
60 − 10 = ______
