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 + 20 = ______
9 × 10 = ______
2 × 10 = ______
84 + 10 = ______
29 + 10 = ______
18 + 20 = ______
59 − 10 = ______
24 + 10 = ______
73 + 10 = ______
86 + 10 = ______
7 × 10 = ______
8 × 10 = ______
18 + 10 = ______
5 × 10 = ______
53 − 10 = ______
28 + 20 = ______
45 − 10 = ______
23 + 20 = ______
56 + 20 = ______
57 − 10 = ______
