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
5 × 10 = ______
65 + 20 = ______
8 × 10 = ______
40 + 10 = ______
13 + 20 = ______
72 − 10 = ______
69 − 10 = ______
4 × 10 = ______
7 × 10 = ______
86 − 10 = ______
74 + 20 = ______
29 + 10 = ______
61 − 10 = ______
62 + 20 = ______
24 − 10 = ______
51 − 10 = ______
40 + 20 = ______
67 + 10 = ______
68 + 10 = ______
84 − 10 = ______
