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 = ______
1 × 10 = ______
76 + 20 = ______
70 + 10 = ______
57 + 10 = ______
84 + 10 = ______
29 + 10 = ______
6 × 10 = ______
25 − 10 = ______
88 − 10 = ______
40 − 10 = ______
45 + 20 = ______
14 + 20 = ______
44 + 10 = ______
30 − 10 = ______
38 − 10 = ______
68 − 10 = ______
75 − 10 = ______
86 − 10 = ______
19 + 20 = ______
