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 = ______
90 − 10 = ______
14 + 10 = ______
5 × 10 = ______
14 + 20 = ______
3 × 10 = ______
42 + 20 = ______
49 + 10 = ______
42 − 10 = ______
23 − 10 = ______
71 + 10 = ______
23 + 20 = ______
12 + 10 = ______
70 + 20 = ______
1 × 10 = ______
31 − 10 = ______
56 − 10 = ______
25 + 10 = ______
74 + 10 = ______
88 − 10 = ______
