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
84 + 10 = ______
32 + 20 = ______
16 + 10 = ______
18 + 10 = ______
3 × 10 = ______
75 + 20 = ______
40 + 10 = ______
76 + 20 = ______
9 × 10 = ______
33 + 10 = ______
53 + 10 = ______
23 + 10 = ______
83 + 20 = ______
7 × 10 = ______
69 + 10 = ______
5 × 10 = ______
36 + 20 = ______
33 + 20 = ______
12 + 10 = ______
27 + 20 = ______
