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
70 + 20 = ______
7 × 10 = ______
47 + 20 = ______
45 − 10 = ______
4 × 10 = ______
1 × 10 = ______
2 × 10 = ______
75 + 20 = ______
22 − 10 = ______
69 − 10 = ______
49 + 10 = ______
53 + 10 = ______
36 − 10 = ______
46 − 10 = ______
9 × 10 = ______
38 − 10 = ______
66 + 20 = ______
92 − 10 = ______
81 + 20 = ______
80 + 20 = ______
