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
40 + 10 = ______
34 + 20 = ______
90 − 10 = ______
5 × 10 = ______
70 + 20 = ______
45 + 20 = ______
9 × 10 = ______
4 × 10 = ______
29 + 20 = ______
44 + 10 = ______
8 × 10 = ______
17 + 10 = ______
58 − 10 = ______
11 + 10 = ______
13 + 20 = ______
7 × 10 = ______
86 + 10 = ______
74 + 20 = ______
65 + 20 = ______
68 + 10 = ______
