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
48 + 10 = ______
70 + 20 = ______
68 − 10 = ______
21 − 10 = ______
58 + 20 = ______
3 × 10 = ______
42 + 20 = ______
36 + 20 = ______
31 − 10 = ______
90 − 10 = ______
30 + 10 = ______
27 + 10 = ______
28 + 20 = ______
7 × 10 = ______
17 + 20 = ______
80 + 20 = ______
34 − 10 = ______
70 + 10 = ______
83 + 10 = ______
5 × 10 = ______
