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
36 + 20 = ______
3 × 10 = ______
6 × 10 = ______
17 + 10 = ______
2 × 10 = ______
54 − 10 = ______
5 × 10 = ______
65 + 10 = ______
4 × 10 = ______
16 + 20 = ______
75 + 20 = ______
74 + 20 = ______
1 × 10 = ______
8 × 10 = ______
54 + 10 = ______
45 − 10 = ______
42 + 10 = ______
15 + 20 = ______
88 + 10 = ______
69 + 20 = ______
